Statement 1: N3- is a weaker base than NH2-Statement 2: The lone pair of electrons on N atom in N3- is in a sp2-orbital while in NH2- it is in an sp3-orbital.
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a
Both statements 1 and 2 are correct
b
Statement 1 is correct and statement 2 is incorrect
c
Statement 1 is incorrect and statement 2 is correct
d
Both statements 1 and 2 are incorrect
answer is A.
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Detailed Solution
Basicity depends upon availability of lone pair of electrons. Since N3− is in SP2 - orbital, its lone pair is less available as compared to NH2− . Thus, N3- is a weaker base than NH2− .