Code.No: 31025

R05

SET-1

c)

Distinguish between component and constituent? What is Gibb’s phase rule? Explain the terms involved in it with suitable example? How many components are present in the following systems? i) Water (s) ⇔ Vapour (s) ii) SR ⇔ SM ⇔ SV iii) Fe (s) + H2O (s) ⇔ FeO (s) + H2 (s) iv) NH4Cl (s) ⇔ NH3 (s) + HCl (s) [6+6+4]

or ld

1.a) b)

.in

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD I .B.TECH – SUPPLEMENTARY EXAMINATIONS JANUARY- 2010 PHYSICAL CHEMISTRY (CHEMICAL ENGINEERING) Time: 3hours Max.Marks:80 Answer any FIVE questions All questions carry equal marks ---

What is standard emf? What do you mean by SHE? What is standard electrode potenties of SHE? Write short notes on reference electrodes. [2+8+6]

3.

Give characteristics of enzyme catalysis. Discuss Michael in and Menten’s enzyme mechanism in detail to express the rate of reaction. Derive the required equation? [16]

4.

Define or explain the following terms i) Fluorescence ii) iii) Photo sensitization iv)

uW

2.a) b) c)

Phosphorescence Photo synthesis

[16]

Give an account of the various methods employed for the purification of collides solution. [16]

6.a) b)

Explain in detail about one Faraday’s laws of electrolysis. Describe the conductance of solution.

7.a) b)

Write a short note on chain reactions. Explain explosion limits in the formation of water from hydrogen and oxygen. [8+8]

8.a)

State the law which governs the distribution of solute two immiscible solvents. Derive the distribution formula on the assumption that the benzoic acid behaves normally in water and as bimolecular species in benzene. 12 gram of organic substances A is present in 100 gm of its aqueous solution. How much of it would be left behind after extracting the solution with two successive applications of 50 ml each of other? The distribution coefficient of between water and ether is 2 in favour of ether. [8+8]

Aj

nt

5.

b)

******

[8+8]

Code.No: 31025

R05

SET-2

.in

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD I .B.TECH – SUPPLEMENTARY EXAMINATIONS JANUARY- 2010 PHYSICAL CHEMISTRY (CHEMICAL ENGINEERING) Time: 3hours Max.Marks:80 Answer any FIVE questions All questions carry equal marks --1.

Give characteristics of enzyme catalysis. Discuss Michael in and Menten’s enzyme mechanism in detail to express the rate of reaction. Derive the required equation? [16]

2.

Define or explain the following terms i) Fluorescence ii) iii) Photo sensitization iv)

[16]

or ld

Phosphorescence Photo synthesis

3.

Give an account of the various methods employed for the purification of collides solution. [16]

4.a) b)

Explain in detail about one Faraday’s laws of electrolysis. Describe the conductance of solution.

5.a) b)

Write a short note on chain reactions. Explain explosion limits in the formation of water from hydrogen and oxygen. [8+8]

6.a)

State the law which governs the distribution of solute two immiscible solvents. Derive the distribution formula on the assumption that the benzoic acid behaves normally in water and as bimolecular species in benzene. 12 gram of organic substances A is present in 100 gm of its aqueous solution. How much of it would be left behind after extracting the solution with two successive applications of 50 ml each of other? The distribution coefficient of between water and ether is 2 in favour of ether. [8+8] Distinguish between component and constituent? What is Gibb’s phase rule? Explain the terms involved in it with suitable example? How many components are present in the following systems? i) Water (s) ⇔ Vapour (s) ii) SR ⇔ SM ⇔ SV iii) Fe (s) + H2O (s) ⇔ FeO (s) + H2 (s) iv) NH4Cl (s) ⇔ NH3 (s) + HCl (s) [6+6+4]

nt

7.a) b)

uW

b)

[8+8]

Aj

c)

8.a) b) c)

What is standard emf? What do you mean by SHE? What is standard electrode potenties of SHE? Write short notes on reference electrodes. [2+8+6] ******

Code.No: 31025

R05

SET-3

.in

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD I .B.TECH – SUPPLEMENTARY EXAMINATIONS JANUARY- 2010 PHYSICAL CHEMISTRY (CHEMICAL ENGINEERING) Time: 3hours Max.Marks:80 Answer any FIVE questions All questions carry equal marks --1.

Give an account of the various methods employed for the purification of collides solution. [16]

2.a) b)

Explain in detail about one Faraday’s laws of electrolysis. Describe the conductance of solution.

3.a) b)

Write a short note on chain reactions. Explain explosion limits in the formation of water from hydrogen and oxygen. [8+8]

4.a)

State the law which governs the distribution of solute two immiscible solvents. Derive the distribution formula on the assumption that the benzoic acid behaves normally in water and as bimolecular species in benzene. 12 gram of organic substances A is present in 100 gm of its aqueous solution. How much of it would be left behind after extracting the solution with two successive applications of 50 ml each of other? The distribution coefficient of between water and ether is 2 in favour of ether. [8+8]

5.a) b) c)

or ld

uW

b)

[8+8]

Distinguish between component and constituent? What is Gibb’s phase rule? Explain the terms involved in it with suitable example? How many components are present in the following systems? i) Water (s) ⇔ Vapour (s) ii) SR ⇔ SM ⇔ SV iii) Fe (s) + H2O (s) ⇔ FeO (s) + H2 (s) iv) NH4Cl (s) ⇔ NH3 (s) + HCl (s) [6+6+4] What is standard emf? What do you mean by SHE? What is standard electrode potenties of SHE? Write short notes on reference electrodes. [2+8+6]

7.

Give characteristics of enzyme catalysis. Discuss Michael in and Menten’s enzyme mechanism in detail to express the rate of reaction. Derive the required equation? [16]

Aj

nt

6.a) b) c)

8.

Define or explain the following terms i) Fluorescence ii) iii) Photo sensitization iv) ******

Phosphorescence Photo synthesis

[16]

Code.No: 31025

R05

SET-4

.in

JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD I .B.TECH – SUPPLEMENTARY EXAMINATIONS JANUARY- 2010 PHYSICAL CHEMISTRY (CHEMICAL ENGINEERING) Time: 3hours Max.Marks:80 Answer any FIVE questions All questions carry equal marks --Write a short note on chain reactions. Explain explosion limits in the formation of water from hydrogen and oxygen. [8+8]

2.a)

State the law which governs the distribution of solute two immiscible solvents. Derive the distribution formula on the assumption that the benzoic acid behaves normally in water and as bimolecular species in benzene. 12 gram of organic substances A is present in 100 gm of its aqueous solution. How much of it would be left behind after extracting the solution with two successive applications of 50 ml each of other? The distribution coefficient of between water and ether is 2 in favour of ether. [8+8]

3.a) b) c)

Distinguish between component and constituent? What is Gibb’s phase rule? Explain the terms involved in it with suitable example? How many components are present in the following systems? i) Water (s) ⇔ Vapour (s) ii) SR ⇔ SM ⇔ SV iii) Fe (s) + H2O (s) ⇔ FeO (s) + H2 (s) iv) NH4Cl (s) ⇔ NH3 (s) + HCl (s) [6+6+4]

uW

b)

or ld

1.a) b)

What is standard emf? What do you mean by SHE? What is standard electrode potenties of SHE? Write short notes on reference electrodes. [2+8+6]

5.

Give characteristics of enzyme catalysis. Discuss Michael in and Menten’s enzyme mechanism in detail to express the rate of reaction. Derive the required equation? [16]

nt

4.a) b) c)

Define or explain the following terms i) Fluorescence ii) iii) Photo sensitization iv)

Aj

6.

Phosphorescence Photo synthesis

[16]

7.

Give an account of the various methods employed for the purification of collides solution. [16]

8.a) b)

Explain in detail about one Faraday’s laws of electrolysis. Describe the conductance of solution. ******

[8+8]

Code.No: 31025 Accounts

Phosphorescence · iii) Photo sensitization · iv) Photo synthesis · [16] · 5. Give an account of the various methods employed for the purification of collides.

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