Number carbon atoms present in amyl alcohol are_

The number of carbon atom present in a simple ether molecule is

" The minimum number of carbons present in a chiral alcohol which gives iodoform reaction is "

The number of carbon atoms present in the molecule of fifth member of the homologous series of alkynes is :

According to IUPAC rules number of carbon atoms present in principal chain.

A compound has 40% of carbon by weight. If molecular weight of the compound is 90, the number of carbon atoms present in 1 molecule of the compound are

A signature written with carbon pencil weighs 1 mg. What is the number of carbon atoms present in the signature?