MCQ
Which of the following pairs are isostructural ?
- A$\left[ {CO_3^{2 - },\,SO_3^{2 - }} \right]$
- ✓$\left[ {Xe{F_2},\,IF_2^ - } \right]$
- C$\left[ {NH_2^ - ,\,Be{F_2}} \right]$
- D$\left[ {SO_3^{2 - },\,BF_4^ - } \right]$
$XeF _{2}, IF _{2}^{-}+$ both are $sp ^{3} d$ hybridised linear molecules.
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$R - X \rightarrow R ^{\oplus} X ^{\ominus} \rightarrow R ^{\oplus} \| X ^{\ominus} \stackrel{ Y^\ominus }{\rightarrow} R - Y + X ^{\ominus}$
Ion pair Solvent separated ion pair
A student writes general characteristics based on the given mechanism as:
$(a)$ The reaction is favoured by weak nucleophiles
$(b)$ $R^ \oplus$ would be easily formed if the substituents are bulky
$(c)$ The reaction is accompained by recemization
$(d)$ The reaction is favoured by non-polar solvents.
Which observations are correct $?$
$NO_{(g)} + \frac{1}{2}{O_2} \rightleftharpoons N{O_2}_{(g)}$
$2N{O_2}_{(g)} \rightleftharpoons 2NO_{(g)} + {O_2}_{(g)}$