Comprehension
Answer the question on the basis of passage given below:
Oxides formed by p-block elements are acidic, basic and neutral. Also, elements of p-block form different acids
Oxides formed by p-block elements are acidic, basic and neutral. Also, elements of p-block form different acids
Question: 1
In a Cyclotrimetaphosphoric acid molecule, how many single and double bonds are present?
In a Cyclotrimetaphosphoric acid molecule, how many single and double bonds are present?
Updated On: Mar 10, 2026
- 3-double bonds, 12-single bonds
- 6-double bonds, 6-single bonds
- 3-double bonds, 9-single bonds
- 0-double bonds, 12-single bonds
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The Correct Option is A
Solution and Explanation
The correct option is (A) : 3-double bonds, 12-single bonds
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Question: 2
Match List I and List II.
List I
List II
A. Pb3O4 I. neutral B. N2O II. Acidic C. Mn2O7 III. Basic D. Br2O3 IV. Mixed
Predict the nature of oxides.
Choose the correct answer from the options given below:
Match List I and List II.
List I | List II | ||
| A. | Pb3O4 | I. | neutral |
| B. | N2O | II. | Acidic |
| C. | Mn2O7 | III. | Basic |
| D. | Br2O3 | IV. | Mixed |
Predict the nature of oxides.
Choose the correct answer from the options given below:
Updated On: Mar 27, 2026
- A-I, B-II, C-III, D-IV
- A-IV, B-I, C-II, D-III
- A-IV, B-II, C-III, D-I
- A-I, B-III, C-IV, D-II
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The Correct Option is B
Solution and Explanation
The correct option is (B) : A-IV, B-I, C-II, D-III
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Question: 3
Match List I and List II.
List I
List II
A. H4P2O7 I. +1 B. H4P2O6 II. +3 C. H3PO2 III. +4 D. H3PO3 IV. +5
Choose the correct answer from the options given below:
Match List I and List II.
Choose the correct answer from the options given below:
List I | List II | ||
| A. | H4P2O7 | I. | +1 |
| B. | H4P2O6 | II. | +3 |
| C. | H3PO2 | III. | +4 |
| D. | H3PO3 | IV. | +5 |
Choose the correct answer from the options given below:
Updated On: Mar 27, 2026
- A-I, B-IV, C-II, D-III
- A-IV, B-III, C-I, D-II
- A-I, B-II, C-III, D-IV
- A-IV, B-III, C-II, D-I
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The Correct Option is B
Solution and Explanation
The correct option is (B) : A-IV, B-III, C-I, D-II
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Question: 4
HOCI < HOClO < HOCIO2 < HOCIO3 It is correct order for which of the following?
A. increasing acidic strength
B. decreasing order of oxidising power
C. increasing order of oxidising power
D. increasing basic strength
Choose the most appropriate answer from the options given below:
HOCI < HOClO < HOCIO2 < HOCIO3 It is correct order for which of the following?
A. increasing acidic strength
B. decreasing order of oxidising power
C. increasing order of oxidising power
D. increasing basic strength
Choose the most appropriate answer from the options given below:
A. increasing acidic strength
B. decreasing order of oxidising power
C. increasing order of oxidising power
D. increasing basic strength
Choose the most appropriate answer from the options given below:
Updated On: Mar 27, 2026
- A and B only
- A and C only
- B and C only
- C and D only
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The Correct Option is B
Solution and Explanation
The correct option is (B) : A and C only
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Question: 5
For the following oxides, which of the following will be true?
SO3, CO2, SiO2, N2O5
A. CO2 is an acidic oxide
B. CO2 is a neutral oxide.
C. SO3 > N2O5 > CO2 ≈ SiO2 decreasing order of central atom oxidation states
D. SO3 < N2O5 < CO2 ≈ SiO2 → increasing order of central atom oxidation states
Choose the most appropriate answer from the options given below:
For the following oxides, which of the following will be true?
SO3, CO2, SiO2, N2O5
A. CO2 is an acidic oxide
B. CO2 is a neutral oxide.
C. SO3 > N2O5 > CO2 ≈ SiO2 decreasing order of central atom oxidation states
D. SO3 < N2O5 < CO2 ≈ SiO2 → increasing order of central atom oxidation states
Choose the most appropriate answer from the options given below:
SO3, CO2, SiO2, N2O5
A. CO2 is an acidic oxide
B. CO2 is a neutral oxide.
C. SO3 > N2O5 > CO2 ≈ SiO2 decreasing order of central atom oxidation states
D. SO3 < N2O5 < CO2 ≈ SiO2 → increasing order of central atom oxidation states
Choose the most appropriate answer from the options given below:
Updated On: Mar 10, 2026
- B and D only
- A and B only
- B and C only
- A and D only
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The Correct Option is D
Solution and Explanation
The correct option is (D) : A and D only
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