First slide

Occurrence, Electronic Configuration

Question

Statement-I: Boron does not form [BF₆]^3-.
Statement-II: Boron does not have d - subshell in its valence shell.

Easy

A

Both statement-I and statement-II are correct
B

Statement-I is correct and statement-II is incorrect
C

Statement-I is incorrect and statement-II is correct
D

Both statement-I and statement-II are incorrect

Solution

B (At, No. = 5), electronic configuration 1s², 2s² 2p¹ does not have in d-subshell. It has only 4 orbitals in valence shell. The
possibility is [BF₄]^– .

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