Butanone is a four-carbon compound with the functional group :

People use a variety of methods to wash clothes. Usually after adding the soap, they beat the clothes on a stone, or beat it with a paddle, scrub with a brush or the mixture is agitated in a washing machine. Why is agitation necessary to get clean clothes ?

Ethane, with the molecular formula C₂H₆ has :

While cooking, if the bottom of the vessel is getting blackened on the outside, it means that :

Explain the nature of the covalent bond by using the bond formation in CH₃Cl.