VITEEE SERIES
Chemistry

Acids And Bases

24 previous year questions.

Volume: 24 Ques
Yield: High

High-Yield Trend

9
2025
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2023
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2022
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2016
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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