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

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistry6.2. Equilibrium - II (icon Equilibrium)1 Mark
MCQ
The strongest base from the following species is
  • ✓
    $N{H^{2 - }}$
  • B
    $O{H^ - }$
  • C
    ${O^{2 - }}$
  • D
    ${S^{2 - }}$
✓

Answer

Correct option: A.
$N{H^{2 - }}$
(a) $NH_4^ + $is the weakest acid. So its conjugate base is strongest.

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