Surface Chemistry-Adsorption (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry): Questions 1 - 5 of 6

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Question number: 1

» Surface Chemistry » Adsorption » Adsorption of Gases on Solids

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MCQ▾

Question

1.30-litre gas at 2atm and 300k in litre container is exposed to 4g of solid surface After complete adsorption the pressure of in reduced by 30%. Calculate value of x/m.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 2

» Surface Chemistry » Adsorption » Freundlich and Langmuir Adsorption Isotherms

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MCQ▾

Question

Which of the following are correct about Langmuir adsorption isotherm at very high pressure?

Choices

Choice (4) Response

a.

It is valid for chemisorption

b.

c.

d.

All a. , b. and c. are correct

Question number: 3

» Surface Chemistry » Adsorption » Physisorption and Chemisorption

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Question

The chemisorption of on an activated surface becomes 40 % faster if temperature is raised from 500K to 1000K. Calculate the energy of activation?

Choices

Choice (4) Response

a.

6.5

b.

c.

d.

2.8

Question number: 4

» Surface Chemistry » Adsorption » Adsorption of Gases on Solids

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MCQ▾

Question

50 mL of 0.3m acetic acid is shaken with 5g activated charcoal. The concentration of acetic acid is reduced to 1/3 of original molarity. The mass of acetic acid adsorbed per g of charcoal is?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 5

» Surface Chemistry » Adsorption » Freundlich and Langmuir Adsorption Isotherms

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MCQ▾

Question

A graph plotted between log Vs log P is shown in figure given below.

Graph plotted between log x/m Vs log P

Graph Plotted between Log X/M vs Log P

Graph plotted between log x/m Vs log P

Of intercept is equal to log3, then value of x/m at a pressure of 3 atm?

Choices

Choice (4) Response

a.

2

b.

6

c.

9

d.

8

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