Assertion: N3- is a weaker base than NH2-
Reason: The lone pair of electron on N atom in N3- is in sp2 orbital while in NH2- it is in sp3 orbital
(a) If both assertion and reason are true, and reason is the true explanation of the assertion.
(b) If both assertion and reason are true, but the reason is not true explanation of the assertion.
(c) If assertion is true, but reason is false.
(d) If both assertion and reason are false.