Covalent compounds undergo ................... reactions.

Organic compounds undergo ............. ........ reaction whereas inorganic compounds undergo ............ ............. reactions.

Polar covalent compounds contain .................... separation.

Hydrogen chloride is a ..................... (pure covalent compound / polar covalent compound).

Covalent compounds may exhibit ......... isomerism because covalent bonds are ......... and .......

SiO_2 is a covalent compound .

Which is faster in the following pairs of halogen compounds undergoing S_(N)2 reactions?

Which one of following compounds undergoes EI reaction most readily?

Boron form covalent compound due to

Covalent compounds have low m.p. because :

What is Cannizzaro reaction ? Name a compound which undergoes this reaction. Name the products formed when this compound undergoes the reaction.