How many structural isomers of alcohols with the formula $C_4H_9OH$ are possible if all the carbons are in a straight chain?

Which of the following responds to a positive $(+ve)$ iodoform test?

Iodoform can be obtained on warming $NaOH$ and iodine with

In order to make alcohol undrinkable,pyridine and methanol are added to it. The resulting alcohol is called:

Distinction between primary,secondary and tertiary alcohol is done by

What product would you expect to obtain from a Grignard reaction when an excess of phenylmagnesium bromide reacts with dimethyl carbonate $CH_3OCOOCH_3$?