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The I.E(1) among the group 13 member fol...

The `I.E_(1)` among the group 13 member follows as

A

`B gt Al lt Ga lt Tl`

B

`B gt Al lt Ga gt Tl`

C

`B gt Ga gt Al gt Tl`

D

`B gt Ga lt Al lt Tl`

Text Solution

Verified by Experts

The correct Answer is:
C
The `IE_(1)` of Ga is more than that of Al because of the small atomic size and greater effective nuclear charge of Ga.
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