M.O.T Chemical Bonding and Molecular Structure 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, NEETprep,neet questions, neet practice questions, neet practice paper,neetprep, neetprep practice questions, mock test neet, neet physics questions, neet mcq, neet questions with answers, neet questions with explanations,NEET attempt,NEET test series, AIIMS Delhi preparation,NEET rank rewards, NTA level NEET questions, NEET online coaching,physicswallah neet, physicswala neet,allen neet, akash neet, physics online course, chemistry online course,biology online course, zoology online course, botany online course, Aryan Raj Singh NEET course

Consider the following species:
CN⁺, CN^-, NO and CN
The highest bond order associated with:

1.	NO	2.	CN^–
3.	CN⁺	4.	CN

Subtopic: M.O.T |

77%

From NCERT

NEET - 2018

1

2

3

4

To view explanation, please take trial in the course.

NEET 2026 - Target Batch - Vital

Hints

To view explanation, please take trial in the course.

NEET 2026 - Target Batch - Vital

Q2:

Which of the following is a paramagnetic compound?

1. $N_{2}$

2. $H_{2}$

3. ${Li}_{2}$

4. $O_{2}$

Subtopic: M.O.T |

86%

From NCERT

NEET - 2019

1

2

3

4

To view explanation, please take trial in the course.

NEET 2026 - Target Batch - Vital

Hints

Links

To view explanation, please take trial in the course.

NEET 2026 - Target Batch - Vital

Q3:

Which one of the following statements is incorrect related to Molecular Orbital Theory?

1.	The $\pi^*$ antibonding molecular orbital has a node between the nuclei.
2.	In the formation of a bonding molecular orbital, the two electron waves of the bonding atoms reinforce each other.
3.	Molecular orbitals obtained from $2P_x$ and $2P_y$ orbitals are symmetrical around the bond axis.
4.	A $\pi-$bonding molecular orbital has larger electron density above and below the internuclear axis.

Subtopic: M.O.T |

51%

From NCERT

NEET - 2023

1

2

3

4

To view explanation, please take trial in the course.

NEET 2026 - Target Batch - Vital

Hints

To view explanation, please take trial in the course.

NEET 2026 - Target Batch - Vital

Q4:

A pair in which both species are not likely to exist is:

1.	$H^+_2,He^{2-}_2$	2.	$H^-_2,He^{2+}_2$
3.	$H^{2+}_2,He_2$	4.	$H^+_2,He^{2+}_2$

Subtopic: M.O.T |

82%

From NCERT

1

2

3

4

To view explanation, please take trial in the course.

NEET 2026 - Target Batch - Vital

Hints

To view explanation, please take trial in the course.

NEET 2026 - Target Batch - Vital

Q5:

Identify the incorrect statement among the following options:

1.	$O^+_2$ ion is diamagnetic.
2.	The bond orders of $O_2^{+},O_2,O^-_2$ and $O_2^{2-}$ are 2.5, 2, 1.5, and 1, respectively.
3.	$C_2$ molecule has four electrons in its two degenerate $\pi $ molecular orbitals.
4.	$H^+_2 $ ion has one electron.

Subtopic: M.O.T |

79%

From NCERT

NEET - 2022

1

2

3

4

To view explanation, please take trial in the course.

NEET 2026 - Target Batch - Vital

Hints

To view explanation, please take trial in the course.

NEET 2026 - Target Batch - Vital

Q6:

The 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 |

76%

From NCERT

NEET - 2015

1

2

3

4

To view explanation, please take trial in the course.

NEET 2026 - Target Batch - Vital

Hints

Links

To view explanation, please take trial in the course.

NEET 2026 - Target Batch - Vital

Q7:

Which of the following options represents the correct bond order?

1.

O_{2}^{-} > O_{2} < O_{2}^{+}

2.

O_{2}^{-} < O_{2} > O_{2}^{+}

3.

O_{2}^{-} < O_{2} < O_{2}^{+}

4.

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

Subtopic: M.O.T | Hybridisation |

77%

From NCERT

NEET - 2015

1

2

3

4

To view explanation, please take trial in the course.

NEET 2026 - Target Batch - Vital

Hints

To view explanation, please take trial in the course.

NEET 2026 - Target Batch - Vital

Q8:

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 2026 - Target Batch - Vital

Hints

To view explanation, please take trial in the course.

NEET 2026 - Target Batch - Vital

Q9:

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.

Q10:

Which one of the following is the correct order of decreasing bond enthalpies for the given species?
1. $\mathrm {O^{2-}_2>O^-_2>O_2>N_2 }$
2. $\mathrm {N_2>O_2>O^{2-}_2>O^-_2 }$
3. $\mathrm {N_2>O_2>O^-_2>O^{2-}_2 }$
4. $\mathrm {O_2>N_2>O^-_2>O^{2-}_2 }$

Subtopic: M.O.T |

74%

From NCERT

NEET - 2022

1

2

3

4

To view explanation, please take trial in the course.

NEET 2026 - Target Batch - Vital

Hints

To view explanation, please take trial in the course.

NEET 2026 - Target Batch - Vital

NEET Information

courses

Company

Botany Questions

Chemistry Questions

Physics Questions

Zoology Questions

1.	The \(\pi^*\) antibonding molecular orbital has a node between the nuclei.
2.	In the formation of a bonding molecular orbital, the two electron waves of the bonding atoms reinforce each other.
3.	Molecular orbitals obtained from \(2P_x\) and \(2P_y\) orbitals are symmetrical around the bond axis.
4.	A \(\pi-\)bonding molecular orbital has larger electron density above and below the internuclear axis.

1.	\(H^+_2,He^{2-}_2\)	2.	\(H^-_2,He^{2+}_2\)
3.	\(H^{2+}_2,He_2\)	4.	\(H^+_2,He^{2+}_2\)

1.	\(O^+_2\) ion is diamagnetic.
2.	The bond orders of \(O_2^{+},O_2,O^-_2\) and \(O_2^{2-}\) are 2.5, 2, 1.5, and 1, respectively.
3.	\(C_2\) molecule has four electrons in its two degenerate \(\pi \) molecular orbitals.
4.	\(H^+_2 \) ion has one electron.

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