The kind of valency that exists in `CaH_(2)` and `C_(2)H_(2)` is

The kind of valency that exists to CaH_(2) and C_(2) H_(2) are

Which is covalent in CaH_(2) , NaH BeH_(2) ?

Indicate the nature of bonding in C Cl_(4) and CaH_(2)

The oxidation state of hydrogen in CaH_(2) is +1.

Statement Oxidation state of H is +1 in CuH_(2) and -1 in CaH_(2) Explanation Ca is strong electropositve metal.

Carbon has a valency of 2 in CO and 4 in CO_(2) and CH_(4) . Its valency in acetylene (C_(2)H_2) is