MCQ
Which of the set of species have same hybridisation state but different shapes
- A$NO_2^+, NO_2, NO_2^-$
- B$ClO_4^-, SF_4, XeF_4$
- ✓$NH_4^+, H_3O^+, OF_2$
- D$SO_4^{-2},PO_4^{-3}, ClO_4^-$

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Reason $R:$ The increasing nuclear charge outweighs the shielding across the period.
In the light of the above statements, choose the most appropriate from the options given below:
$trans-3$ -hexene $\xrightarrow{(b)}$ meso $3,4-$ hexanediol
Choose pair of reagent $(a, b)$ for above conversions