First slide

13th group or boron group

Question

The relative stability of +1 oxidation state of group 13 elements follows the order.

Easy

A

$A l < G a < T I < I n$
B

$A I < G a < I n < T I$
C

$T I < I n < G a < A I$
D

$G a < A I < I n < T I$

Solution

Inert pair effect : stability of +1 oxidation state increases down the group in 13th group, 14th group and 15th group.

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