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For the properties mentioned, the correc...

For the properties mentioned, the correct trend for the different species is in

A

strength as Lewis acids-`BCl_3 gt AlCl_3 gt GaCl_3`

B

inert pair effect - `Al gt Ga gt In`

C

oxidising property-`Al^(3+) gt In^(3+) gt Tl^(3+)`

D

first ionization enthalpy- `B gt Al gt Tl`

Text Solution

Verified by Experts

The correct Answer is:
A
A Strength of Lewis acids decreases in the order: `BCl_3 gt AlCl_3 gt GaCl_3` is correct while all other options are incorrect as explained below:
Al does not show inert pair effect, `Tl^(3+)` has the highest oxidising power while ionization enthalpy of Tl is higher than that of Al.
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