VITEEE SERIES
Chemistry

Acids And Bases

24 previous year questions.

Volume: 24 Ques
Yield: High

High-Yield Trend

9
2025
6
2023
7
2022
1
2016
1
2007

Chapter Questions
24 MCQs

01
PYQ 2007
easy
chemistry ID: viteee-2
The weakest acid amongst the following is
1
2
3
4
02
PYQ 2016
medium
chemistry ID: viteee-2
Which of the two acids form anhydrides? (I) Oxalic acid (II) Succinic acid (III) Benzoic acid (IV) Phthalic acid
1
I & III
2
II & IV
3
II & III
4
III & IV
03
PYQ 2022
medium
chemistry ID: viteee-2
Lyophilic sols are more stable than lyophobic sols because:
1
the colloidal particles have positive charge
2
the colloidal particles have negative charge
3
the colloidal particles are solvated
4
there is strong electrostatic repulsion between the colloidal particles
04
PYQ 2022
medium
chemistry ID: viteee-2
The oxidation number of phosphorus in is:
1
+3
2
+2
3
+1
4
-1
05
PYQ 2022
medium
chemistry ID: viteee-2
200 mL of an aqueous solution of a protein contains 1.26 g. The osmotic pressure of this solution at 300 K is found to be . The molar mass of the protein will be: (R = 0.083 L bar mol K )
1
51022 g/mol
2
122044 g/mol
3
31011 g/mol
4
61038 g/mol
06
PYQ 2022
medium
chemistry ID: viteee-2
The value of van der Waals constant ' a ' for gases , , , and are 1.360, 1.390, 4.170, and 2.253 L atm/mol respectively. The gas which can most easily be liquefied is:
1

2

3

4
07
PYQ 2022
easy
chemistry ID: viteee-2
Water sample is reported to be highly polluted if BOD (Biological Oxygen Demand) value of sample becomes:
1
more than 17 ppm.
2
equal to 10 ppm.
3
equal to 5 ppm.
4
less than 5 ppm.
08
PYQ 2022
medium
chemistry ID: viteee-2
Which one of the following does not have a pyramidal shape?
1

2

3

4
09
PYQ 2022
medium
chemistry ID: viteee-2
What is Acrolein?
10
PYQ 2023
easy
chemistry ID: viteee-2
The limiting molar conductivities of , , and are respectively 425, 90, and 125 mho cm mol at 25°C. The molar conductivity of 0.1M solution is 7.8 mho cm mol at the same temperature. The degree of dissociation of 0.1M acetic acid solution at the same temperature is:
1

2

3

4

11
PYQ 2023
medium
chemistry ID: viteee-2
The compounds and :
1
are tautomers
2
are position isomers
3
contain the same number of sp -sp , sp -sp , and sp -sp carbon-carbon bonds
4
are chain isomers
12
PYQ 2023
medium
chemistry ID: viteee-2
Which of the following exhibits Frenkel defects?
1
Sodium chloride
2
Silver bromide
3
Graphite
4
Diamond
13
PYQ 2023
medium
chemistry ID: viteee-2

Choose the correct option for the following reactions. 
 

1

A and B are both Markovnikov addition products.

2

A is Markovnikov product and B is anti-Markovnikov product.

3

A and B are both anti-Markovnikov products.

4

B is Markovnikov and A is anti-Markovnikov product.

14
PYQ 2023
easy
chemistry ID: viteee-2
On passing current through two cells, connected in series, containing solutions of and , 0.18 g of Ag is deposited. The amount of Cu deposited is:
1
g
2
g
3
g
4
g
15
PYQ 2023
hard
chemistry ID: viteee-2
The bond dissociation energies of and are in the ratio of 1:0.5:1. If for the formation of is -200 kJ mol , what is the bond dissociation energy of ?
1
kJ mol
2
kJ mol
3
kJ mol
4
kJ mol
16
PYQ 2025
medium
chemistry ID: viteee-2
Which of the following is a characteristic property of acids?
1
They turn blue litmus paper red.
2
They turn red litmus paper blue.
3
They are slippery to touch.
4
They have a bitter taste.
17
PYQ 2025
hard
chemistry ID: viteee-2
Which of the following is an example of an exothermic reaction?
1

2

3

4

18
PYQ 2025
medium
chemistry ID: viteee-2
What is the pH of a solution with a concentration of ?
1
3
2
4
3
5
4
6
19
PYQ 2025
medium
chemistry ID: viteee-2
Which of the following acids is a strong acid?
1

2

3

4

20
PYQ 2025
medium
chemistry ID: viteee-2
What is the pH of a solution if the concentration of ions is ?
1
5
2
6
3
4
4
7
21
PYQ 2025
hard
chemistry ID: viteee-2
What is the pH of a solution of ?
1
2
3
4
22
PYQ 2025
medium
chemistry ID: viteee-2
What is the pH of a solution of ?
1
2
3
4
23
PYQ 2025
medium
chemistry ID: viteee-2
Which of the following is a characteristic property of acids?
1
They turn blue litmus paper red.
2
They turn red litmus paper blue.
3
They have a bitter taste.
4
They are slippery to touch.
24
PYQ 2025
medium
chemistry ID: viteee-2
Which of the following acids is a strong acid?
1

2

3

4

About Acids And Bases - VITEEE

Acids And Bases is a vital chapter for VITEEE aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.

By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.

Frequently Asked Questions

Why focus on Acids And Bases PYQs?

Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.

How to best use this analysis?

Review the topic breakdown to see which sub-topics within Acids And Bases carry the most weight. Then, tackle the questions iteratively to solidify your understanding.