Question

Which of the following halides donot exist ? a] ticl b]pbcl2 c] pbi4 d] sicl4

Answer 1

Answer:

PbI4 does not exist, since lower elements of a group are more stable in their lower oxidation states and thus unstable in their higher oxidation states.

The reason is inert pair effect.

Hence, more stable lower oxidation state of Lead being +2 PbI2 will be stable unlike PbI4 where the lead atom is in higher oxidation state of 4+.

Answer 2

Answer:

Option a that is ticl does not exist.

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