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Q.

"E" is 13th group element."E" reacts with halogen X2 and forms halide of formulae EX3.Identify EX3 which is not formed?

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a

TlF3

b

BF3

c

AlF3

d

TlI3

answer is D.

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Detailed Solution

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TlI3 does not exists due to following reasons

(i) Tl+3 is strong oxidizing agent

(ii) I- is strong reducing agent

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