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neet CHEMISTRYMedium

Taking stability as the factor, which one of the following represents correct relationship?

A

TlCl3>TlClTlCl_3 > TlCl

B

InI3>InIInI_3 > InI

C

AlCl>AlCl3AlCl > AlCl_3

D

TlCl>TlCl3TlCl > TlCl_3

Step-by-Step Solution

Due to the inert pair effect, the stability of the lower oxidation state increases down the group. For Thallium (Tl), the +1 oxidation state is more stable than the +3 oxidation state. Therefore, TlClTlCl is more stable than TlCl3TlCl_3.

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