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4. Chemical bonding and molecular structure — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistry4. Chemical bonding and molecular structure1 Mark
MCQ
Valency of sulphur in $N{a_2}{S_2}{O_3}$ is
  • ✓
    $2$
  • B
    $3$
  • C
    $4$
  • D
    $6$
✓

Answer

Correct option: A.
$2$
(a) Valency of $N{a_2}{S_2}{O_3}$ is supposed to be $x,$ then $2 + 2x + ( - \,6) = 0$, $2x - 4 = 0$, $x = 2$.

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