The values of observed and calculated molecular weights of silver nitrate are $92.64$ and $170$ respectively…

The values of observed and calculated molecular weights of silver nitrate are $92.64$ and $170$ respectively. The degree of dissociation of silver nitrate is
  1. $60 \%$
  2. $83.5 \%$
  3. $46.7 \%$
  4. $60.23 \%$

Solution

i for $\mathrm{AgNO}_{3}=\frac{\text { Normal mol.wt }}{\text { Observed mol.wt. }}=1+\alpha$
$\alpha=\frac{170}{92.64}-1=0.835=83.5 \%$

Asked in: JEE-TOPICTESTS-CHEMISTRY

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