Chemical Bonding and Molecular Structure MCQs Question and Answer in Engineering Chemistry

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The bond order for N₂, O₂, $${\text{N}}_2^ - $$, $${\text{O}}_2^ - $$ varies as

A) N₂ > $${\text{N}}_2^ - $$ > O₂ > $${\text{O}}_2^ - $$ B) N₂ > O₂ > $${\text{N}}_2^ - $$ > $${\text{O}}_2^ - $$ C) O₂ > N₂ > $${\text{O}}_2^ - $$ > $${\text{N}}_2^ - $$ D) $${\text{N}}_2^ - $$ > N₂ > $${\text{O}}_2^ - $$ > O₂

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Answer & Solution

Answer: Option A

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Sodium metal crystallizes in the body centred cubic lattice with cell edge a. The radius of the sodium atom is

A) a/√2 B) a√3/2 C) a√3/4 D) a/2√2

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Answer & Solution

Answer: Option C

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The pair of compounds having the same hybridization for the central atom is

A) XeF₄ and [SiF₆]^2- B) [NiCI₄]^2- and [PtCI₄]^2- C) Ni(CO)₄ and XeO₂F₂ D) [Co(NH₃)₆]³⁺ and [Co(H₂O₆]³⁺

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Answer & Solution

Answer: Option A

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The structure of SF₄ is

A) octahedral B) tetrahedral C) trigonal bipyramidal D) square planar

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Answer & Solution

Answer: Option C

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