Q68 · CSIR-NET Chemistry, December 2019

Paper: CSIR-NET December 2019 · Subject: Inorganic Chemistry · Chapter: Chemical Bonding · Topic: Chemical Bonding – General · Marks: 2 · Difficulty: Easy

The magnitude of bond angles in gaseous $\mathrm{NF}_{3}, \mathrm{SbF}_{3}$ and $\mathrm{SbCl}_{3}$ follow the order
(a)$\mathrm{NF}_{3}>\mathrm{SbF}_{3}>\mathrm{SbCl}_{3}$
(b)$\mathrm{SbCl}_{3}>\mathrm{SbF}_{3}>\mathrm{NF}_{3}$
(c)$\mathrm{SbF}_{3}>\mathrm{SbCl}_{3}>\mathrm{NF}_{3}$
(d)$\mathrm{NF}_{3}>\mathrm{SbCl}_{3}>\mathrm{SbF}_{3}$
Answer
Answer: D ✓ checked by 4AB · confidence high
Explanation
Bond angles: NF₃ 102° > SbCl₃ 97° > SbF₃ 88° (d).

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