MCQ
$+ CH_3I$ (excess) $\to$ product; The product is


- Aa primary amine
- Ba tertiary amine
- Ca secondary amine
- ✓a quaternary ammonium salt


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| Period number | Group number | |
| $Q$ | $2$ | $15$ |
| $P$ | $3$ | $2$ |
Then formula of the compound formed by $P$ and $Q$ element is
$XeF_6 + H_2O \rightleftharpoons XeOF_4 + 2HF, \,\,\,\,K_1$
$XeO_4 + XeF_6 \rightleftharpoons XeOF_4 + XeO_3F_2,\,\,\,\, K_2$
The equilibrium constant for the reaction
$XeO_4 + 2HF \rightleftharpoons XeO_3F_2 + H_2O$ will be