Adsorption and Colloids - Maharashtra Board STD 11 Science Chemistry Questions - Vidyadip

Question types

Adsorption and Colloids question types

157 questions across 6 question groups — pick any mix to generate a Chemistry paper with step-by-step answer keys.

157

Questions

6

Question groups

5

Question types

MCQ

Answer the following questions:

Answer the following in one or two sentences.

Answer the following in brief.

Answer the following questions.

Answer the following questions in detail.

Sample Questions

Adsorption and Colloids questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 1MCQ1 Mark

Identify the colloidal molecule containing hydrophilic head and hydrophobic tail within it.

A
Starch
✓
Detergent
C
Gold sol
D
Cellulose

Answer: B.

View full solution →

Q 2MCQ1 Mark

Which among the following is a negatively charged sol?

A
$\mathrm{Al}_2 \mathrm{O}_3 \cdot \mathrm{xH}_2 \mathrm{O}$
B
$\mathrm{TiO}_2$
✓
CdS
D
$\mathrm{CrO}_3 \cdot \mathrm{xH}_2 \mathrm{O}$

Answer: C.

View full solution →

Q 3MCQ1 Mark

Which of the following is NOT a characteristic of chemisorption?

A
It is specific.
B
It is irreversible.
✓
Formation of multimolecular layer of adsorbate.
D
Heat of adsorption is in the range of $40-200 kJ mol ^{-1}$.

Answer: C.

View full solution →

Q 4MCQ1 Mark

What type of following phenomena is NOT exhibited by adsorption?

A
Exothermic
✓
Bulk
C
Irreversible
D
Endothermic

Answer: B.

View full solution →

Q 5MCQ1 Mark

Which among the following compounds represents a soap molecule ?

✓
Potassium salt of higher fatty acids.
B
Ammonium salt of formic acid.
C
Ammonium salt of higher fatty acids.
D
Sodium salt of formic acid.

Answer: A.

View full solution →

Q 6Answer the following questions:1 Mark

Write an equation for Freundlich adsorption isotherm.

View full solution →

Q 7Answer the following questions:1 Mark

Name type of adsorption in which compound is formed.

View full solution →

Q 8Answer the following questions:1 Mark

Name type of adsorption in which van der Waals focres are present.

View full solution →

Q 9Answer the following questions:1 Mark

TRUE or FALSE: Pine oil is used as frothing agent in froth floatation process.

View full solution →

Q 10Answer the following questions:1 Mark

TRUE or FALSE: Noble gases can be separated from their mixture using the principle of selective adsorption as they adsorb to different extent.

View full solution →

Q 11Answer the following in one or two sentences.2 Marks

Define the terms: Inhibition

View full solution →

Q 12Answer the following in one or two sentences.2 Marks

Define the terms: Catalysis.

View full solution →

Q 13Answer the following in one or two sentences.2 Marks

Define the terms : Electrophoresis

View full solution →

Q 14Answer the following in one or two sentences.2 Marks

Draw labelled diagrams of the following : Soap micelle

View full solution →

Q 15Answer the following in one or two sentences.2 Marks

Draw labelled diagrams of the following : Bredig’s arc method

View full solution →

Q 16Answer the following in brief.3 Marks

A finely divided substance is more effective as adsorbent. Explain.

View full solution →

Q 17Answer the following in brief.3 Marks

Write notes on : Hardy-Schulze rule

View full solution →

Q 18Answer the following in brief.3 Marks

Write notes on : Types of emulsion

View full solution →

Q 19Answer the following in brief.3 Marks

Write notes on : Brownian motion

View full solution →

Q 20Answer the following in brief.3 Marks

Calculate surface area to volume ratio of spherical particle. See how the ratio increases with the reduction of radius of the particle. Plot the ratio against the radius.

View full solution →

Q 21Answer the following questions.4 Marks

Collect information about surface chemistry.

View full solution →

Q 22Answer the following questions.4 Marks

Explain micelle formation in soap solution.

View full solution →

Q 23Answer the following questions.4 Marks

Explain two applications of adsorption.

View full solution →

Q 24Answer the following questions.4 Marks

Explain how the adsorption of gas on solid varies with
a. nature of adsorbate and adsorbent
b. surface area of adsorbent

View full solution →

Q 25Answer the following questions.4 Marks

Freundlich adsorption isotherm, with the help of a graph.

View full solution →

Q 26Answer the following questions in detail.6 Marks

Give applications of colloids.

View full solution →

Q 27Answer the following questions in detail.6 Marks

How are colloids classified based on their molecular size?

View full solution →

Q 28Answer the following questions in detail.6 Marks

Describe heterogeneous catalysis with the help of one example.

View full solution →

Q 29Answer the following questions in detail.6 Marks

What are the applications of adsorption?

View full solution →

Q 30Answer the following questions in detail.6 Marks

Explain graphically the effect of the following factors on the adsorption of gases by solids.
i. Temperature of the adsorbent surface
ii. Pressure of the gas (adsorbate)

View full solution →

Browse all question groups ↑

Generate a Adsorption and Colloids paper free

Pick question groups from the list above, set marks and difficulty, and export a branded PDF with step-by-step answer keys. First 3 chapters free — no signup.

Generate Paper Free All Chemistry chapters