Chemical Bonding and Molecular Structure Chemistry NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

The molecules that have an overall permanent dipole moment among the following is/are:
(A) CO₂
(B) H₂O
(C) NH₃

1.	A and C only	2.	C and B only
3.	A, B, and C	4.	None of these

Subtopic: Polarity |

83%

From NCERT

1

2

3

4

To view explanation, please take trial in the course.

NEET 2025 - Target Batch

Hints

To view explanation, please take trial in the course.

NEET 2025 - Target Batch

Q2:

Which of the following molecules contain bond angles of 180° in their gaseous states?
(Atomic numbers: H = 1; Be = 4; C = 6; Cl = 17)

A. BeCl₂
B. C₂H₂
C. CCl₄

1.	A and C only	2.	A and B only
3.	A only	4.	B and C only

Subtopic: V.S.E.P.R & V.B.T |

78%

From NCERT

1

2

3

4

Please attempt this question first.

Hints

Please attempt this question first.

Q3:

The sum of the number of lone pairs in a central atom in $IF_5 $ and $IF_7 $ is:

1. 2
2. 0
3. 1
4. 3

Subtopic: V.S.E.P.R & V.B.T |

87%

From NCERT

1

2

3

4

Please attempt this question first.

Hints

Please attempt this question first.

Q4:

Which of the following molecules have unequal bonds?

1. $C l F_{3}$

2. $B F_{3}$

3. $A l F_{3}$

4. $N F_{3}$

Subtopic: V.S.E.P.R & V.B.T |

74%

From NCERT

1

2

3

4

To view explanation, please take trial in the course.

NEET 2025 - Target Batch

Hints

To view explanation, please take trial in the course.

NEET 2025 - Target Batch

Q5:

Decreasing order of stability of $O_{2}, O_{2}^{-}, O_{2}^{+} and O_{2}^{2 -}$ is:

1. $O_{2}^{+} > O_{2} > O_{2}^{-} > O_{2}^{2 -}$

2. $O_{2}^{2 -} > O_{2}^{-} > O_{2} > O_{2}^{+}$

3. $O_{2} > O_{2}^{+} > O_{2}^{2 -} > O_{2}^{-}$

4. $O_{2}^{-} > O_{2}^{2 -} > O_{2}^{+} > O_{2}$

Subtopic: M.O.T |

80%

From NCERT

1

2

3

4

To view explanation, please take trial in the course.

NEET 2025 - Target Batch

Hints

To view explanation, please take trial in the course.

NEET 2025 - Target Batch

Q6:

Compound in which central atom assumes sp³d hybridisation is

1. SO₃

2. PCl₅

3. SO₂

4. PCl₃

Subtopic: Hybridisation |

93%

From NCERT

1

2

3

4

To view explanation, please take trial in the course.

NEET 2025 - Target Batch

Hints

To view explanation, please take trial in the course.

NEET 2025 - Target Batch

Q7:

Assertion (A):	Sigma ($\sigma$) bond is strong, while pi ($\pi$) bond is weak.
Reason (R):	Atoms rotate freely about pi ($\pi$) bond.

1.	Both (A) and (R) are true and (R) is the correct explanation of (A).
2.	Both (A) and (R) are true but (R) is not the correct explanation of (A).
3.	(A) is true but (R) is false.
4.	Both (A) and (R) are false.

Subtopic: Types of Chemical Bond |

71%

From NCERT

1

2

3

4

To view explanation, please take trial in the course.

NEET 2025 - Target Batch

Hints

To view explanation, please take trial in the course.

NEET 2025 - Target Batch

Q8:

Which compound among the following represents an expanded octet?
1. $\text{BeH}_2 $
2. $\text{LiCl}$
3. $\text{H}_2\text{SO}_4 $
4. $\text{NO} $

Subtopic: Resonance & Nature of Compounds |

80%

From NCERT

1

2

3

4

Please attempt this question first.

Hints

Please attempt this question first.

Q9:

Which among the following ions is the most polarizable?

1.	F^–	2.	I^–
3.	Na⁺	4.	Cl^–

Subtopic: Acidic, Basic Character & Fajan's Rule |

60%

From NCERT

1

2

3

4

Please attempt this question first.

Hints

Please attempt this question first.

Q10:

If an extra electron is added to the hypothetical molecule C₂, this extra electron will occupy the molecular orbital:

1. $\pi_{2p}$*
2. $\pi_{2p}$
3. $\sigma_{2p}$*
4. $\sigma_{2p}$

Subtopic: M.O.T |

55%

From NCERT

1

2

3

4

Please attempt this question first.

Hints

Please attempt this question first.

NEET Information

courses

Company

Botany Questions

Chemistry Questions

Physics Questions

Zoology Questions

Assertion (A):	Sigma (\(\sigma\)) bond is strong, while pi (\(\pi\)) bond is weak.
Reason (R):	Atoms rotate freely about pi (\(\pi\)) bond.

Add Note

Highlight in NCERT

Add Note

Highlight in NCERT

Add Note

Highlight in NCERT

Add Note

Highlight in NCERT

Add Note

Highlight in NCERT

Add Note

Highlight in NCERT

Add Note

Highlight in NCERT

Add Note

Highlight in NCERT

Add Note

Highlight in NCERT

Add Note

Highlight in NCERT

NEET Information

courses

Company

Botany Questions

Chemistry Questions

Physics Questions

Zoology Questions