The rose odour from an ester is formed by the action of $HCOOH$ on

Which is the best reagent to convert isopropyl alcohol to isopropyl bromide?
$CH_3-CH(OH)-CH_3 \xrightarrow{?} CH_3-CH(Br)-CH_3$

When ethyl alcohol is heated with red phosphorus and $HI$,then which of the following is formed?

The compound $A$ when treated with ceric ammonium nitrate solution gives a yellow precipitate. The compound $A$ is

The high boiling point of ethanol $({78.2 \ ^\circ C})$ compared to dimethyl ether $({-23.6 \ ^\circ C})$,though both have the same molecular formula $C_2H_6O$,is due to

Which of the following is the most suitable reagent for the conversion of $RCH_2OH$ to $RCHO$?