MIIAOA

0

• •

0 A S A

• 0

o A

A

• 0

o298.f5K .303.15K 308.15K A313.15K o318.15K •323.15K

1 2

3 4 5 6

ni carbon number

Figure 4.50: Dependence of the excess molar volume (V') with carbon number (n) of n- alcohols with different temperature at 0.5 mole fraction.

1

0

0.6

M

. 0.4

>

0.2

o 298.15K .303.15K t308.15K A313.15K o318.15K .323.15K o

A A

• • o A

o298.15K .303.15K 308.15K &313.15K o318.15K 9323.15K

0

• 0 A

0

.1.4 1.2

E 0.8

If C.)

0.6

> 0:4 0.2 0

Results and Discussion Chapter IV

1 2 3 4 5 6

-'

ni carbon number

Figure 4.51: Dependence of the excess molar volume (V) with carbon number (n) of n- alcohols with different temperature at 0.8 mole fraction.

1 2 3 4 5 6

ni carbon number

Figure 4.52: Dependence of the excess molar volume (V) with carbon number (n) of iso - alcohols with different temperature at 0.2 mole fraction.

2.5 2

1

0 1.5

C.,

E C.)

0.5

o298.15K .303.15K 308.15K A313.15K

0 o318.15K .323.15K

S 0

S

A

o298.15K _•303.15K 308.15K A313.15K 0318.15K .323.15K

0

A S

0

A

0

Results and Discussion Chap fer IV

1 2 3 4 5 6

ni

carbon number

Figure 4.53: Dependence of the excess molar volume (Vt) with carbon number (n) of iso -

alcohols with different temperature at 0.5 mole fraction.

2.5 2 EI.5 0 E C.,

>

0.5

0 i I I I

1 2 3 4 5 6

ni

carbon number

Figure 4.54: Dependence of the excess molar volume (yE) with carbon number _(ii) of iso ^- alcohols with different temperature at 0.8 mole fraction.

Results and Discuss ion Chapter IV

1.8 1.6 1.4

1.2 E 0.8 0 0.6

>0.4 0.2

Oethanol

• n-propanol on-butanol

•n.amyl alcohol

290 300 310 320 330 T/K

Figure 4.55: Comparison of excess molar volume ^(yE) vs temperature (T) of Ethanol, n- Propanol, n-Butanol, n-Amyl alcohol in Nitrobenzene at 0.5 mole fraction.

I 0.9 0.8 0.7

0

0.6 EO.5

0.4

0

0.3

^{o ethanol}

0.2

• n-propanol

o n-butanol

0.1

• n-amyl alcohol

0

290 300 310 320 330 T/K

Figure 4.56: Comparison of excess molar volume (1/) vs temperature (T) of Ethanol, n- Propanol, n-Butanol, n-Amyl alcohol in Nitrobenzene at 0.2 mole fraction.

Results and Discussion Chapter IV

['11

o ethanol

['XI

• n-propanol

0.7 ^o n-butanol

0.6 • n-amy I alcohol

0.5 E

0.3

>0.2 0.1

0 -i-

290

300 310 320 330

EI T/K

Figure 4.57: Comparison of excess molar volume ^(V) vs temperature (T) of Ethanol, n- Propanol, n-Butanol, n-Amyl alcohol in Nitrobenzene at 0.8 mole fraction.

2.50

2.00

1.50

0

E

1.00

0.50

0.00 +- 290

o iso-propanol

• iso-butanol o iso-amy I alcohol

300 310 320 330

TIK

Figure 4.58: Comparison of excess molar volume

(VE)

vs temperature (T) of iso-Propanol, iso-Butanol and iso-Amyl alcohol in Nitrobenzene at 0.5 mole fraction.

Results and Discussion Chapter IV

1.6 1.4 1.2

0

E0.8 E 0.6

0.4

0.2

0 1- 290

cr~~

o iso-propanol

• iso-butanol oiso-amyl alcohol

300 310 320 330

p.'

T/K

Figure 4.59: Comparison of excess molar volume (1/') vs temperature (T) of iso-Propanol, iso-Butanol and iso-Amyl alcohol in Nitrobenzene at 0.2 mole fraction.

3

o iso-propanol

2.5 • iso-butanol o iso-amy laIcohcl FA

I-

0

EI.5

C.,

E C-)

0.5

0 -!--

290 300 310 320 330

T/K

Figure 4.60: Comparison of excess rno!ar volume (V) vs temperature (T) iso-Propano!, iso- Butanol and iso-Amyl alcohol in Nitrobenzene at 0.8 mole fraction.

1

Results and Discussion Chapter IV

2.0 1.8 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 0.0

—c-- 298.15K

-.-- 303.15K

-&- 308.15K

313.15K 318.15K

-.- 323.15K

0 0.2 0.4 0.6 0.8 1

-&

x

₂

Figure 4.61: Plots of viscosity (j) vs mole fraction (x2) of Ethanol +Nitrobenzene system at 298.15K, 303.15K, 308.15K, 313.15K, 318.15K and 323.15K respectively.

2.0 1.8 1.6 -14

1.2 1.0 0.8 0.6

-0-- 298.15K

-4-- 303.15K -h- 308.15K -1--- 313.15K

—e— 318.15K

-•-- 323.15K

0 0.2 0.4 0.6 0.8 1 x2

Figure 4.62: Plots of viscosity (ii) vs mole fraction (X2) of n-Propanol ⁺ Nitrobenzene system at 298.15K, 303.15K, 308.15K, 313.15K, 318.15K and 323.15K respectively.

-

Results and Discussion Chapter IV

2.7

2.2

U)

a- Et7

-K-298.15K -4-303.15K

-a--

^{308. 15K}

-A--- 313. 15K --318.15K

H. ^- 323.15K

1.2

4.

0.7 1 1 I

0 0.2 0.4 0.6 0.8 1

x2

Figure 4.63: Plots of viscosity

(ii)

vs mole fraction

(X2)

of n-Butanol

⁺

Nitrobenzene system

at 298.lSK3O3.lSK,3O8.15K,313.15K31815K and 32315Krespectively

1

3.7

3.2

2.7

U)

c2.2

a- E 1.7 1.2 0.7 02

-o--298.15K -'--303.15K

-a--

308. 15K -*--313.15K -e--318.15K -1-323.15K

0 0.2 0.4 0.6 0.8 1

x2

Figure 4.64: Plots of viscosity ('1) vs mole fraction (12) of n-Amyl alcohol

+

Nitrobenzene

system at 298.15K, 303.15K, 308.15K, 3 13.15K, 318.15K and 323.15K respectively.

Results and Discussion Chapter IV

2.2 2.0 1.8 1.6

°-14 E

1.2 1.0 0.8 0.6

0 0.2 0.4 0.6 0.8

-&

x2

Figure 4.65: Plots of viscosity (i) vs mole fraction (x2) of iso-Propanol + Nitrobenzene system at 298.15K, 303.15K, 308.15K, 313.15K, 318.15K and 323.15K respectively.

3.2 2.7

Co

2.2

1.7

1.2 0.7

-0-- 298.15K 303. 15K -z2-- 308.15K 313.15K 318.15K

-.-- 323.15K

0 0.2 0.4 0.6 0.8 1

x2

Figure 4.66: Plots of viscosity ('1) vs mole fraction ^(x2) of iso-Butanol ⁺ Nitrobenzene system at 298.15K,303.15K,308.15K,313.15K,318.15K and 323i5Krespective1y.

-<>- 298.15K

—.-303.15K

. 308.15K

-k- 313.15K 318.15K

-.- 323.15K

Results and Discussion Chapter IV

3.7 3.2 2.7 2.2

1.7

1.2

0.2 ¶ ^{I I I}

0 0.2 0.4 0.6 0.8 1

x2

Figure 4.67: Plots of viscosity ()vs mole fraction ^(X2) of iso-Amyl alcohol ⁺ Nitrobenzene system at 298.15K, 303.15K, 308.15K, 313.15K, 318.15K and 323.15K respectively.

40.0

—i-298.15K

A

35.0 ^--303.15K

—o--308.15K

30.0 —A--313.15K

—e-318.15K

II

U)

25.0

—--323.15K 20.0

15.0 10.0 5.0 0.0

0 0.2 0.4 0.6 0.8 1

x2

Figure 4.68: Plots of viscosity ('1) vs mole fraction x2) of Propylene glycol ⁺ Nitrobenzene system at 298.15K, 303.15K, 308.15K, 313.15K, 318.15K and 323.15K respectively.

1.5

U) 0

0.5

ro.i .0.2 x 0.3

o0.5 oO.7 0.9

Results and Discussion Chapter IV

4

-0.1 ^10.2 x0.3 x 0.4 o0.5 •0.6 00.7 •08

Cl) 0.9

0

1

il

1 2 3 4 5 6

ni carbon number

Figure 4.69: Dependence of the viscosity

()

with carbon number (n) of n-alcohols with different mole fraction at 298.15K.

I I

1 2 3 4 5 6

ni carbon number

Figure 4.70: Dependence of the viscosity ⁽ⁱⁱ⁾ with carbon number (n) of n-alcohols with different mole fraction at 3 13.15K.

-0.1 .0.2 x0.3 i0.4 o0.5 •0.6 o0.7 •0.8

0.9 Al

3

0.

Results and Discussion Chapter IV

04

I 2 3 4 5 6

I'

ni

carbon number

Figure 4.71: Dependence of the viscosity ⁽ⁱⁱ⁾ with carbon number (n) of n-alcohols with different mole fraction at 323.15K.

4

U)

0 c3

I 0

r-0.1

.0.2

I

xo.3 r0.4

- o0.5 •0.6 I

A nO.7 •08

1 2 3 4 5 6

ni

carbon number

Figure 4.72: Dependence of the viscosity () with carbon number (n) of iso-alcohols with different mole fraction at 298.15K.

Results and Discussion Chapter IV

4

3 2.5

(I) Ci 0 15

F 1

0.5

-0.1 .0.2 x0.3 x 0.4 o0.5 •0.6 00.7 .08

0.9

1 2 3 4 5 6

ni

carbon number

Figure 4.73: Dependence of the viscosity

(ii)

with carbon number (n) of iso -alcohols with different mole fraction at 3 13.15K.

2.5

1.5 0

:-

0.5

-0.1 10.2 x0.3 0.4

E

*0.8

1 2 3 4 5 6

ni

carbon number

Figure 4.74: Dependence of the viscosity ₍₎ with carbon number (n) of iso -alcohols with different mole fraction at 323.15K.

1'

Results and Discussion Chapter IV

1.7

A 298.15K

A 303.15K _A A

1.5

•308.15K o313.15K

•318.15K

o 323.1 -

U)

CL

0.9

0

0.7

0

^{.5 I I I I}

1 2 3 4 5 6

-4'

ni carbon number

Figure 4.75: Dependence of the viscosity (i) with carbon number (n) of n-alcohols with different temperature at 0.5 mole fraction.

A 298.15K

3.5

^{- A303.15K}

.308.15K a 313.15K .318.15K

0. ^2.5

• o323.15K ^A

1.5

0 . 5

1 2 3 4 5 6

ni carbon number

Figure 4.76: Dependence of the viscosity ⁽ⁱⁱ⁾ with carbon number (n) of n-alcohols with different temperature at 1.0 mole fraction.

I ^-

*298.15K

_A

L3o3.15K

.308.15K

^A _/L

o313.15K

.318.15K

^/

o323.15K

₀

I I I

3.5

a. ^2.5

1.5

0.5

Results and Discussion Chapter IV

- A298.15K ^I /A

3O3.15K

A

•308.15K

-

+318.

o313.1

ø A

o323.

.

- I I

1.9

-k

1.7

•_ 1.5

U)

1.3

•1.1 0.9 0.7 0.5

1 2 3 4 5 6

ni carbon number

Figure 4.77: Dependence of the viscosity

(ii)

with carbon number (n) of iso -alcohols with different temperature at 0.5 mole fraction.

1 2 3 4 5 6

ni carbon number

Figure 4.78: Dependence of the viscosity

(ij)

with carbon number (n) of iso -alcohols with

different temperature at 1.0 mole fraction.

Results and Discussion chapter IV

-4

1.8 1.6 1.4

-

1.2

Cl) 0

0.8 0.6 0.4 0.2

—.—ethanol -0- n-propanol -*- n-butanol -—n-amyI alcohol

290 300 310 320 330 T/K

Figure 4.79: Comparison of viscosity ⁽ⁱ⁾ vs temperature (T) of Ethanol, n-Propano!, n- Butanol, n-Arnyl alcohol in Nitrobenzene at 0.5 mole fraction.

1.5

1.6 1.4

-

1.2

Cl)

Q-

I

E

0.8

0.6 0.4 0.2

290 300 310 320 330 T/K

Figure 4.80: Comparison of viscosity

()

vs temperature (T) of Ethanol, n-Propanol, n- Butanol, n-Amyl alcohol in Nitrobenzene at 0.2 mole fraction.

Results and Discussion Chapter IV

2 1.8 1.6 1.4 1.2

0

0.8 0.6 0.4 0.2

—'—ethanol -0- n-propanol -A--- n-butanol

—e--n-amyl alcohol

290 300 310 320 330

-&

T/K

Figure 4.81: Comparison of viscosity ('i) vs temperature (T) of Ethanol, n-Propanol, n- Butanol, n-Amyl alcohol in Nitrobenzene at 0.8 mole fraction.

3.7 3.2 2.7 22

0

1.7

1.2 0.7

[.—othanoI

—o-- n-propanol -*--- n-butanol

—e—n-amyl alcohol

a-

0.2 ! I I

290 300 310 320 330 T/K

Figure 4.82: Comparison of viscosity (q) vs temperature (T) of Ethanol, n-Propanol, n- Butanol, n-Arnyl alcohol in Nitrobenzene at 1.0 mole fraction.

1'

a-

1.8

1.7 1.6

1.5 W1.4

°- 13

E

1.2

1.1

I

0.9

0.8

Results and Discussion Chapter IV

2.2 2 1.8 1.6 1.4 1.2

ZZ

0.8 0.6 0.4 0.2

-4--- iso-propanol -0-- iso-b uta nol

—*--iso-amyl alcohol

290 300 310 320 330 T/K

Figure 4.83: Comparison of viscosity (ij) vs temperature (T) of iso-Propanol, iso-Butanol and iso-Amyl alcohol in Nitrobenzene at 0.5 mole fraction.

SUU 310 320 330

T/K

Figure 4.84: Comparison of viscosity (ii) vs temperature (T) of iso-Propanol, iso-Butanol and iso-Amyl alcohol in Nitrobenzene at 0.2 mole fraction.

-41

Results and Discussion Chapter IV

PRA

-.-- iso-propanol

—a— iso-b utanol

2.2

—*--iso-amyl alcohol

Cl)

1.7 E 1.2

I!

LAA

0.2 1

^I

290 300 310 320 330 T/K

Figure 4.85: Comparison of viscosity (ii) vs temperature (T) of iso-Propanol, iso-Butanol and iso-Amyl alcohol in Nitrobenzene at 0.8 mole fraction.

A #

3.7 3.2

U)

2.7 2.2 E

1.7 1.2 0.7 0.2

290 300 310 320 330 T/K

Figure 4.86: Comparison of viscosity (i) vs temperature (T) of iso-Propanol, iso-Butanol and iso-Arnyl alcohol in Nitrobenzene at 1.0 mole fraction.

Results and Discussion Chapter IV

0.4 0.3 0.2 0.1

a-

•- -0.1 -0.2 -0.3 -0.4 -0.5

0.003 0.0031 0.0032 0.0033 0.0034

I ITlK 1

Figure 4.87: Comparison of in ,, vs lIT of Ethanol, n-Propanoi, n-Butanol, n-Amyl alcohol in Nitrobenzene at 0.5 mole fraction.

0.5

0.4

0.2 U)

a.

0.1

(

-0_1

0.003 0.0031 0.0032 0.0033 0.0034 I ITIK 1

Figure 4.88: Comparison of In ,,i vs l/T of Ethanol, n-Propanol, n-Butanol, n-Amyl alcohol in Nitrobenzene at 0.2 mole fraction.

VM

Results and Discussion Chapter IV

• ethanol o n-propanol A n-butanol on-amyl alcohol 0.2

U,

:- -0.2 -0.4 -0.6 -0.8 -!---

0.003 0.0031 0.0032 0.0033 0.0034

El ^I ITIK 1

Figure 4.89: Comparison of In q vs l/T of Ethanol, n-Propanol, n-Butanol, n-Amyl alcohol in Nitrobenzene at 0.8 mole fraction.

•ethanol 1 1.2 o n-propanol

An-butaflol on-amylalcohol

LIVA

U)

0

-0.3

-0.8 I

0.003 0.0031 0.0032 0.0033 0.0034

11T1K 1

Figure 4.90: Comparison of viscosity ^(iq) vs temperature (T) of Ethanol, n-Propanol, n- Butanol, n-Amyl alcohol in Nitrobenzene at 1.0 mole fraction.

0.6

0.5

0.4

0.3

E

0.2

0.1

0

• iso-propanol o iso-b utanol

A isom11I ,iIt'thrI

Results and Discussion Chapter IV

0.7 • iso-propanol o iso-butanol 0.5 A iso-amy I alcohol

U)3

(

0

-0.1

-0.3

-0.5?

0.003 0.0031 0.0032 0.0033 0.0034

lIT IK 1

Figure 4.91: Comparison of In , vs lIT of iso-Propanol, iso-Butanol and iso-Amyl alcohol in Nitrobenzene at 0.5 mole fraction.

-0.1

0.003 0.0031 0.0032 0.0033 0.0034

l/T IK 1

Figure 4.92: Comparison of In ^, vs l/T of iso-Propanol, iso-Butanol and iso-Arnyl alcohol in Nitrobenzene at 0.2 mole fraction.

I

Results and Discussion Chapter IV

1

0.8

• iso-propanol o iso-butanol

A iso-amy I alcohol 0.003 0.0031 0.0032 0.0033 0.0034

lIT IK 1

Figure 4.93: Comparison of In ij vs 1!T of iso-Propanol, iso-Butanol and iso-Amyl alcohol in Nitrobenzene at 0.8 mole fraction.

)c

0.6

U)

02 t •0

-0.2 -0.4 -0.6

1.2

0.7

(J)

0.2 0

-0.3

-0.8

• iso-propanol o iso-butanol

A iso-amy I alcohol

0.003 0.0031 0.0032 0.0033 0.0034 l/T /K 1

Figure 4.94: Comparison of In , vs lIT of iso-Propanol, iso-Butanol and iso-Amyl alcohol in Nitrobenzene at 1.0 mole fraction.

Results and Discussion chapter

iv

0

298.15K .303.15K s308.15K A313.15K

-

-0.1

0318.15K .323.15K

U, -.

CD

E -0.3

w

-0.4

-o.5r

^{I I}

0 0.2 0.4 0.6 0.8 1

-4

x 2

Figure 4.95: Plots of excess viscosity (it) vs mole fraction (x2) of Ethanol ⁺ Nitrobenzene system at 298.15K, 303.15K, 308.15K, 313.15K, 318.15K and 323.15K respectively.

o298.15K .303.15K

-0.1

A308.15K A313.15K 0318.15K .323.15K

-0.2

a. -0.3

-

-0.4 -0.5

-0.6 1

^{I I I}

0 0.2 0.4 0.6 0.8 1

x 2

Figure 4.96: Plots of excess viscosity (it) vs mole fraction (x2) of n-Propanol ⁺ Nitrobenzene system at 298.15K, 303.15K, 308.15K, 313.15K, 318.15K and 323.15K respectively.

Results and Discussion Chapter IV

x

-0.1 -0.2

U)

.0.4 -0.5 -0.6 -0.7 -0.8

0 0.2 0.4 0.6 0.8

-4 "2

Figure 4.97: Plots of excess viscosity ^(i/) vs mole fraction (x2) of n-Butanol ⁺ Nitrobenzene system at 298.15K, 303.15K, 308.15K, 313.15K, 318.15K and 323.15K respectively.

0

298.15K .303.15K 308.15K A313.15K o318.15K .323.15K

-0.2 -0.4

c

i -0.6

0.

-1 -1.2

-1.4

0 0.2 0.4 0.6 0.8 1

x2

Figure 4.98: Plots of excess viscosity (qE) vs mole fraction (x2) of n-Amyl alcohol ⁺ Nitrobenzene system at 298.I5K,303.15K,308.15K,313.15K,318.15K and 323.15K

respectively.

Results and Discussion (7zapter IV

-0.1 -0.2 -0.3

CL

-0.4 -0.5

I.

-0.7

0 0.2 0.4 0.6 0.8 ¹

4

x2

Figure 4.99: Plots of excess viscosity (17E) vs mole fraction (x2) of iso-Propanol ⁺ Nitrobenzene ^{system at} 298.15K, 303.15K, 308.15K, 313.15K, 318.15K and 323.15K

respectively.

-0.1 -0.2 -0.3 -0.4

0

E°•5

^{A A}

-flU .',

o298.15K

-0.7

•303.15K

A 3O8.15K

A 313.15K

• o318.15K

•323.15K

-1 I

^{I I}

0 0.2 0.4 0.6 0.8

x2

Figure 4.100: Plots of excess viscosity ⁽ⁱ⁾ vs mole fraction X2) of iso-Butanol+

Nitrobenzene system at 298.15K,303.l5K,308.l5K,313.15K,318.15K and 323.15K respectively.

Results and Discussion Cli apter IV

-0.1 -0.2 -0.3 -0.4

CL

E° 5

Lu 1.6

o 298.15K

-0.7

_.303.15K

-0.

8 _A313.15K ^308.15K

-0.9

^o318.15K

• 323.15K

-1

0 0.2 0.4 0.6 0.8

x2

Figure 4.101: Plots of excess viscosity ^{(ij' )} vs mole fraction x2) of iso-Amyl alcohol ⁺ Nitrobenzene system at 298.15K,303.15K,308.15K,313.15K,318.l5K and 323.15'<

respectively.

-1

^-

-2 -3

U) - -

-5

^-

E

-.7 o298.15K +303.15K

-8

_308.15K

.9 A313.15K 0318.15K

IV 0323.15K

-11

0 0.2 0.4 0.6 0.8

x2

Figure 4.102: Plots of excess viscosity (1 1E) vs mole fraction (x2) of Propylene glycol ⁺ Nitrobenzene system at 298.15K, 303.15K, 308.15K, 313.15K, 318.15K and 323.15K

Results and Discussion Chapter IV

0 -0.2 -0.4

U) -.

-1.2 -1.4

1 2 3 4 5 6

ni carbon number

Figure 4.103: Dependence of the excess viscosity (,/S) with carbon number (n) of n-alcohols with different mole fraction at 298.15K.

Li

-0.1 -0.2 -0.3

U)

c -0.4

a.

-0.5 -0.6 -0.7 -0.8

1 2 3 4 5 6

ni carbon number

Figure 4.104: Dependence of the excess viscosity (to)with carbon number (n) of n-alcohols with different mole fraction at 3 13.15K.

-.4

0 . .

0

0

I A

9

t - i1

.0.1 00.2 £0.3 i0.4 90.5 00.6 x0.7 .0.8 00.9 x

I I I

0 -0.1 -0.2 -0.3

°- Ci

04 -0.5 -0.6 -0.7

; A

A

.0.1 o0.2 £0.3

I

0.4 00.5 00.6 ₀ xO.7 •0.8

I

00.9

I I

.

Results and Discussion Chapter IV

1

2 3 4 5 6

ni carbon number

Figure 4.105: Dependence of the excess viscosity (,1E) with carbon number (n) of n-alcohols with different mole fraction at 323.1 5K.

U

-0.1 -0.2 -0.3 -0.4

U)

c

-0.5

0

1 2 3 4 5 6

ni carbon number

Figure 4.106: Dependence of the excess viscosity ^(,7E) with carbon number (n) of iso-alcohols with different mole fraction at 298.15K.

Results and Discussion Chapter IV

U

-0.1

'1

-0.2

Cd)

o- -0.3

-

-0.4 -0.5 -0.6

1 2 3 4 5 6

-

ni carbon number

Figure 4.107: Dependence of the excess viscosity (11) with carbon number (n) of iso-alcohols with different mole fraction at 3 13.15K.

0

. .

0

I 0

a

o0.2 £0.3 0

0.4 90.5 DO.6

xO.7 00.8 00.9

I I I I

-0.1 -0.2

CL

-0.4 -0.5

1 2 3 4 5 6

ni carbon number

Figure 4.108: Dependence of the excess viscosity

('?)

with carbon number (n) of iso-alcohols with different mole fraction at 323.15K.

I ,'

Results and Discussion Chapter IV

-0.1

U).

a-

.0.3

-0.5 Ii

2

A

•

•

A

• r 0 298.15K •303.15K

A308.15K a313.15K o318.15K •323.15]

I I I I

1 2 3 4 5 6

ni carbon number

Figure 4.109: Dependence of the excess viscosity

^(,1E)

with carbon number (n) of n-alcohols with different temperature at 0.2 mole fraction.

U -0.1 -0.2 -0.3

U)

c -0.4 a-

-0.5

;-

-0.6 -0.7 -0.8 -0.9 -1

1 2 3 4 5 6

ni carbon number

Figure 4.110: Dependence of the excess viscosity (it) with carbon number (n) of n-alcohols with different temperature at 0.5 mole fraction.

WO

Results and Discussion Chapter IV

•

0

o

A

r98.15K

^{•303.15K .}

i3O8.15K A313.15K ₀

2318.15K •323.15K

I I I

Figure 4.111: Dependence of the excess viscosity (ifL. ) with carbon number (n) of n-alcohols with different temperature at 0.8 mole fraction.

-0.1 -0.3

0.7

1 2 3 4 5 6

ni carbon number

0 -0.1

U).

0.3

e :

0.4

-0.5 -0.6

*

o .

0

r0 298.15K •303.15K

₁ 308.15K ^a313.15K o318.15K •323.15J

1 2 3 4 5 6

ni carbon number

Figure 4.112: Dependence of the excess viscosity ^(i') with carbon number (n) of iso ^- alcohols with different temperature at 0.2 mole fraction.

I -41

-0.1 -0.3

j

-

^-0.5 -0.7

w

-0.9 -1.1 -1.3

2

0

A A

0

•

o ⁰

o298.15K •303.15K 308.15K a313.15K o318.15K •323.15K I

Results and Discussion Chapter IV

0 -0.2

0

-0.4

A A

o •

-0.6

0 0

-0.8

o298.15K .303.15K 308.15K A313,15K o318.15K 9323.15K

-1

1 2 3 4 5 6

ni carbon number

Figure 4.113: Dependence of the excess viscosity ('i') with carbon number (n) of iso-alcohols with different temperature at 0.5 mole fraction.

1 2 3 4 5 6

ni carbon number

Figure 4.114: Dependence of the excess viscosity (i) with carbon number(n) of iso-alcohols with different temperature at 0.8 mole fraction.

Results and Discussion Chapter IV

0 -0.1 -0.2

-0.4

• ethanol o n-propanol

• n-butanol c:n-amvlalcohol

U

0

-~

⁰

• •

Do

-0.5 -!-

290 300 310 320 330 T/K

Figure 4.115: Comparison of excess viscosity (,7E) vs temperature (T) of Ethanol, n-Propanol, n-Butanol, n-Amyl alcohol in Nitrobenzene at 0.2 mole fraction.

0.1

^-

-0.1 -0.3

-

0.5

U)

0.9 -1.1 -1.3 -1.5

^-

290

13

• ethanol o n-propanot

• n-butanol

0 n-amyl alcohol

300 310 320 330 T/K

Figure 4.116: Comparison of excess viscosity

(,()

vs temperature (T) of Ethanol, n-Propanol, n-Butano!, n-Amyl alcohol in Nitrobenzene at 0.5 mole fraction.

-4'

Results and Discussion Ghapter IV

0.1 -0.1 -0.3 -0.5

-0.9 -1.1 -1.3

U ethanol 0 n-propanol

o • n-butanol o n-amy I alcohol

290 300 310 320 330 T/K

Figure 4.1 17: Comparison of excess viscosity (,/) vs temperature (T) of Ethanol, n-Propanol, n-Butanol, n-Amyl alcohol in Nitrobenzene at 0.8 mole fraction.

-0.1

U)..02

U

-0.4 so-propanol

o iso-butanol

• iso-amy I alcohol

-0.5 4—.

290 300 310 320 330

hJA NI rd U

Figure 4.118: Comparison of excess viscosity (11E) vs temperature (T) of iso-Propanol, iso- Butanol and iso-Amyl alcohol in Nitrobenzene at 0.2 mole fraction.

-4'

Results and Discussion Chapter IV

ME

-0.1 (n-.

-0.5

i iso-propanol

o

iso-butanol

• iso-amy I alcohol

-0.9 4-

290 300 310 320 330 T/K

Figure 4.119: Comparison of excess viscosity ⁽ⁱ⁾ vs temperature (T) of iso-Propanol, iso- Butanol and iso-Amyl alcohol in Nitrobenzene at 0.5 mole fraction.

U.' A

-0.1 -0.3 -0.5

LU

0.7

-1.1 -1.3

290 300 310 320 330