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STD 12 - 4. d and f- block elements — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 12 - 4. d and f- block elements4 Marks
MCQ
Paramagnetism is not exhibited by
  • A
    $CuSO_4.  5H_2O$
  • B
    $CuCl_2. 5H_2O$
  • ✓
    $CuI$
  • D
    $NiSO_4 ,6H_2O$
✓

Answer

Correct option: C.
$CuI$
c
$C u^{+}$ion in $C u I$ has $3 d^{10}$ as outer electronic configuration. All these electrons are paired. Thus, $C u I$ is diamagnetic.

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