MCQ
Ether can be used
- AAs a general anaesthetic
- BAs a refrigerant
- CIn perfumery
- ✓All of these
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Select correct statement from the following :

$\mathop A\limits_{(alkene)} \xrightarrow[{{H_2}O}]{{RC{O_3}H}}$ Racemic mixture
$\mathop A\limits_{(alkene)} \xrightarrow{{Cold\,dil.KMn{O_4}}}$ Meso-compound
$(I)$ $NI_3$ $(II)$ $I_3^-$
$(III)$ $SO_3^{-2}$ $(IV)$ $NO_3^-$