Give reasons for :
Sigma `(sigma)` bond is stronger thann Pi `(pi`) bond.

Give reason:C-F bond is stronger than C-Br.

Bone in stronger than cartilage. Give reasons.

Give the type of overlap by which pi (pi) bond is formed.

Distinguish between sigma and pi bond.

A sigma bond is formed by overlapping of _________.

How many sigma bonds are there in CH-=C-CH=CH-CH_3?

Assertion : Pressure in bubble ( r ) in the atmosphere of pressure P_0 is P_0+(4sigma)/r where r is the radius and sigma is surface tension . Reason: (4sigma)/r is the excess pressure due to two surface exposed to the atmosphere .

Identify the group 14 elements that best fits of the each of the folllowing description. Forms strong pi - bond .

select the proper option and complete the statement: (single, all, double, ionic, carbon, give and take, hydrogen, multiple bond, share, organic, covalent) A carbon atom forms a………bond with other atoms. In this bond the two atoms……….electrons.

Define hydrogen bond. Is it weaker or stronger than the vander Waals forces?