Past Year (2006 - 2015) MCQs 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 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 |

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Which of the following species contains an equal number of $σ$ and $π$ bonds?

1. ${HCO}_{3}^{-}$

2. ${XeO}_{4}$

3. ${(CN)}_{2}$

4. CH₂(CN)₂

Subtopic: Types of Chemical Bond |

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Which of the following pairs of ions are isoelectronic and isostructural?

1. ${CO}_{3}^{2 -},$ ${SO}_{3}^{2 -}$

2. ${ClO}_{3}^{-},$ ${CO}_{3}^{2 -}$

3. ${SO}_{3}^{2 -},$ ${NO}_{3}^{-}$

4. ${ClO}_{3}^{-},$ ${SO}_{3}^{2 -}$

Subtopic: Octate, Isoelectronic Species, Lewis Structure & Formal Charge |

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Which of the following options represents the correct bond order?

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

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

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

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

Subtopic: M.O.T | Hybridisation |

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Choose the compound which has a maximum bond angle at nitrogen among the following:
1. ${NO}_{2}$
2. ${NO}_{2}^{-}$
3. ${NO}_{2}^{+}$
4. ${NO}_{3}^{-}$

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

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The correct order of bond order in the following species is:

1.	$\mathrm{O}^{2+}_2>\mathrm{O}^+_2>\mathrm{O}^-_2$	2.	$\mathrm{O}^{2+}_2<\mathrm{O}^-_2<\mathrm{O}^+_2$
3.	$\mathrm{O}^{+}_2>\mathrm{O}^-_2<\mathrm{O}^{2+}_2$	4.	$\mathrm{O}^{-}_2<\mathrm{O}^+_2>\mathrm{O}^{2+}_2$

Subtopic: M.O.T |

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A molecule among the following that has the maximum dipole moment is:

1.	$\mathrm{CO_2}$	2.	$\mathrm{CH_4}$
3.	$\mathrm{NH_3}$	4.	$\mathrm{NF_3}$

Subtopic: Polarity |

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Which one of the following species has a plane triangular shape?

1.	$\mathrm N_3^-$	2.	$\mathrm {N O}_{3}^{-}$
3.	$\mathrm {N O}_{2}^-$	4.	$\mathrm {C O}_{2}$

Subtopic: Hybridisation |

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An electron-deficient compound among the following is:

1.	(SiH₃)₂	2.	(BH₃)₂
3.	PH₃	4.	(CH₃)₂

Subtopic: Octate, Isoelectronic Species, Lewis Structure & Formal Charge |

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One of the molecules listed, which does not possess a π bond, is:
1. H₂O
2. SO₂
3. NO₂
4. CO₂

Subtopic: Types of Chemical Bond |

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Select Chapter Topics:

Octate, Isoelectronic Species, Lewis Structure & Formal Charge

Types of Chemical Bond

Covalent Bond

Ionic Bond

Lattice & Hydration Energy

Resonance & Nature of Compounds

Polarity

V.S.E.P.R & V.B.T

Hybridisation

M.O.T

van der Waal Force & Hydrogen Bonding

Acidic, Basic Character & Fajan's Rule

Select Chapter Topics:

Octate, Isoelectronic Species, Lewis Structure & Formal Charge

Types of Chemical Bond

Covalent Bond

Ionic Bond

Lattice & Hydration Energy

Resonance & Nature of Compounds

Polarity

V.S.E.P.R & V.B.T

Hybridisation

M.O.T

van der Waal Force & Hydrogen Bonding

Acidic, Basic Character & Fajan's Rule

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1.	\(\mathrm{O}^{2+}_2>\mathrm{O}^+_2>\mathrm{O}^-_2\)	2.	\(\mathrm{O}^{2+}_2<\mathrm{O}^-_2<\mathrm{O}^+_2\)
3.	\(\mathrm{O}^{+}_2>\mathrm{O}^-_2<\mathrm{O}^{2+}_2\)	4.	\(\mathrm{O}^{-}_2<\mathrm{O}^+_2>\mathrm{O}^{2+}_2\)

1.	\(\mathrm{CO_2}\)	2.	\(\mathrm{CH_4}\)
3.	\(\mathrm{NH_3}\)	4.	\(\mathrm{NF_3}\)

1.	\(\mathrm N_3^-\)	2.	\(\mathrm {N O}_{3}^{-}\)
3.	\(\mathrm {N O}_{2}^-\)	4.	\(\mathrm {C O}_{2}\)

Select Chapter Topics:

Octate, Isoelectronic Species, Lewis Structure & Formal Charge

Types of Chemical Bond

Covalent Bond

Ionic Bond

Lattice & Hydration Energy

Resonance & Nature of Compounds

Polarity

V.S.E.P.R & V.B.T

Hybridisation

M.O.T

van der Waal Force & Hydrogen Bonding

Acidic, Basic Character & Fajan's Rule

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Select Chapter Topics:

Octate, Isoelectronic Species, Lewis Structure & Formal Charge

Types of Chemical Bond

Covalent Bond

Ionic Bond

Lattice & Hydration Energy

Resonance & Nature of Compounds

Polarity

V.S.E.P.R & V.B.T

Hybridisation

M.O.T

van der Waal Force & Hydrogen Bonding

Acidic, Basic Character & Fajan's Rule

NEET Information

courses

Company

Botany Questions

Chemistry Questions

Physics Questions

Zoology Questions