MCQ
Which of the following has the highest nucleophilicity
- A${F^ - }$
- B$O{H^ - }$
- ✓$CH_3^ - $
- D$NH_2^ - $
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(given $R = \frac{{8.3\,J}}\,{{mol - K}}$, $1$ $lit$ -$atm$ $=$ $100$ $J$ $ln$ $2$ $=$ $0.693$)

${A_2}(g) + 4{B_2}(g) \rightleftharpoons 2A{B_4}(g)\,;\,\Delta H < 0$
the formation of $AB_4(g)$ will be favoured by