Which of the following allotrope of carbon is a constituent of a lead pencil?

The simplest branched-chain hydrocarbon is

An organic compound reacted with bromine water to give a colourless solution. The compound is probably an

Organic molecules that have the suffix-ene are unsaturated hydrocarbons that have

Lucas reagent is used to test for

Which of the following hydrocarbons is mainly used as fuel?

A compound commonly used for sterilization and preservation of specimens and food is

The molecular formula of a common organic laboratory anaesthetic is

Which of the following class of compounds can exist as dipolar ions in solution?