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NEET 2022
Exam
NEET
Year
2022
Subject
Chemistry
Chapter
p Block Elements (Group 15, 16, 17 & 18)

NEET 2022 · Chemistry · p Block Elements (Group 15, 16, 17 & 18)

Given below are two statements : one is labelled as Assertion (A)...

Given below are two statements : one is labelled as Assertion (A)andtheotherislabelledasReason(R)\left(A\right) and the other is labelled as Reason \left(R\right).
Assertion \left(A\right)::IClismorereactivethanis more reactive than{I}_{2}.<br>Reason(R).<br>Reason \left(R\right): I−ClI - Cl bond is weaker than I−II - I bond.
In the light of the above statements, choose the most appropriate answer from the options given below:

Options

  1. ABoth (A)\left(A\right) and \left(R\right)arecorrectbut(R)are correct but \left(R\right) is not the correct explanation of \left(A\right).
  2. B(A)\left(A\right) is correct but (R)\left(R\right) is not correct.
  3. C(A)\left(A\right) is not correct but (R)\left(R\right) is correct.
  4. DBoth (A)\left(A\right) and \left(R\right)arecorrectand(R)are correct and \left(R\right) is the correct explanation of \left(A\right)$.

Correct answer

D. Both (A)\left(A\right) and \left(R\right)arecorrectand(R)are correct and \left(R\right) is the correct explanation of \left(A\right)$.

Step-by-step solution

Interhalogen compounds are more reactive than halogens (except fluorine). This is because X–X′X – X ′ bond in interhalogens is weaker than X–XX – X bond in halogens except F–FF – F bond. All the interhalogen compounds undergo hydrolysis readily. IClICl is more reactive than I2{I}_{2} because I–ClI – Cl bond is weaker than I–II – I bond.

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