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MHT CET20243 May 2024Evening ShiftChemistryp Block Elements (Group 15, 16, 17 & 18)Actual

Identify the correct decreasing order of thermal stability from following. [Note: The question has been modified to get the correct answer.]

Options

  1. AClF ICl IBr BrCl
  2. BBrCl IBr ICl ClF
  3. CClF IBr BrCl ICl
  4. DClF BrCl IBr ClF

Correct answer

A. ClF ICl IBr BrCl

Step-by-step solution

The thermal stability of interhalogen compounds depends upon the electronegativity of the combining atoms. ( array |l|c|c|c|c| Elements & F & Cl & Br & I Electronegativity & 4.0 & 3.2 & 3.0 & 2.7 array ) More the difference between the electronegativity the combining atoms, more is the thermal stability. Hence the order of thermal stability is ( ClF > ICl > IBr > BrCl ).

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