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4. d and f- block elements — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistry4. d and f- block elements1 Mark
MCQ
Which one of the following is highest melting halide
  • A
    $AgCl$
  • B
    $AgBr$ 
  • ✓
    $AgF$
  • D
    $Agl$
✓

Answer

Correct option: C.
$AgF$
c
(c)According to Fajan, small anion is polarised to lesser extent than the larger anion. Hence $AgF$ will be the most ionic and has high melting point.

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