Chemistry Crash Course JEE Main>Chapter 26 - Surface Chemistry>Level 2>Q 11

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IMPORTANT

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Which of the following are characteristics of physisorption?

a. Weak attractive interactions between adsorbate and adsorbent

b. Monolayer formation of adsorbent on adsorbate

c. Remains unaffected by change of temperature

d. Decreases with increase of temperature

e. It is also known as activated adsorption

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Important Questions on Surface Chemistry

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Chemistry Crash Course JEE Main>Chapter 26 - Surface Chemistry>Level 2>Q 12

Which of the following does not affect the adsorbing power of adsorbent?

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Chemistry Crash Course JEE Main>Chapter 26 - Surface Chemistry>Level 2>Q 13

0.1 g

of animal charcoal is mixed with

0.25

liters of

0.2 M {CH}_{3} COOH

solution. If the extent of adsorption

(\frac{x}{m})

on animal charcoal is

2,

then the final molarity of the

{CH}_{3} COOH

solution left is:

HARD

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IMPORTANT

Chemistry Crash Course JEE Main>Chapter 26 - Surface Chemistry>Level 2>Q 14

Question Image

Graph between $\log \frac{x}{m}$ and $\log P$ is a straight line at an angle $45 °$ with intercept is shown above $\frac{x}{m}$ at a pressure of $2 atm$ is:

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Chemistry Crash Course JEE Main>Chapter 26 - Surface Chemistry>Level 2>Q 15

Which of the following is not true for the extent of adsorption from solution phase?

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Chemistry Crash Course JEE Main>Chapter 26 - Surface Chemistry>Level 2>Q 16

Which of the following processes involves shape-selective catalysis?

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Chemistry Crash Course JEE Main>Chapter 26 - Surface Chemistry>Level 2>Q 17

The catalyst iron employed in the Haber's process contains molybdenum, the function of which is

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Chemistry Crash Course JEE Main>Chapter 26 - Surface Chemistry>Level 2>Q 18

Which of the following mixture will help to the formation of a negatively charged colloid

[AgI] I^{-}

?

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Chemistry Crash Course JEE Main>Chapter 26 - Surface Chemistry>Level 2>Q 19

Which of the following ions is the most effective in the coagulation of an arsenious sulphide solution?