Statement-1 : Nitrogen can form maximum four bonds with hydrogen.
Statement-2 : Valency is the combining capacity of element and it is always constant

(A) Nitrogen can not form more than three bonds (R ) Nitrogen has three valence electrons.

Statement-1 : Dipole-dipole interaction is only non covalent force of interaction for hydrogen bonding. Statement-2 : F is the most electronegative element and HF has symmetrical hydrogen bonding. (1) Statement-1 and Statement-2 are true and Statement-2 is correct explanation of Statemnt-1. (2) Statement-1 and Statement-2 are true but Statement-2 is not correct explanation of Statement-1. (3) Statement-1 is true and Statement-2 is false. (4)Statement-1 is false and Statement-2 is false.

Statement-1: Long form of periodic table exactly explain the position of hydrogen. Statement-2 : Hydrogen is most abundent element of the universe.

Statement-1: Long form of periodic table exactly explain the position of hydrogen. Statement-2 : Hydrogen is most abundent element of the universe.

Statement-1 O-nitrophenol is steam volatile because of intramolecular hydrogen bonding Statement-2 It has high melting point because of intramolecular hydrogen bonding.