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6.2. Equilibrium - II (icon Equilibrium) — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry6.2. Equilibrium - II (icon Equilibrium)1 Mark
MCQ
The strongest Lewis base in the following
  • ✓
    $C{H_3}^ - $
  • B
    ${F^ - }$
  • C
    $N{H_2}^ - $
  • D
    $O{H^ - }$
✓

Answer

Correct option: A.
$C{H_3}^ - $
(a) $C{H_4}$ has almost no acidic nature and thus $CH_3^ - $ is strongest base.

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$\mathop { - CH{{(C{H_3})}_2}}\limits_1 \,\,\,\,\,\,\,\,\,\,\,\mathop { - C{H_2}C{H_2}Br}\limits_2 \,\,\,\,\,\,\,\,\,\,\mathop{ - C{H_2}Br}\limits_3 \,\,\,\,\,\,\,\,\,\mathop{ - C{{(C{H_3})}_3}}\limits_4$

$I  =  II  =  III  = IV$

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