Chemistry · 2020
JEE Main · 9 January 2020, Shift 1 · Q30
The K_sp for the following dissociation is 1.6 × 10^-5 PbCl_2( s ) ⇌ Pb_( aq )^2++2 Cl_( aq )^- Which of the following choices is correct for a…
The $\displaystyle \mathrm{K}_{\mathrm{sp}}$ for the following dissociation is $\displaystyle 1.6 \times 10^{-5}$
$$\mathrm{PbCl}_{2(\mathrm{~s})} \rightleftharpoons \mathrm{Pb}_{(\mathrm{aq})}^{2+}+2 \mathrm{Cl}_{(\mathrm{aq})}^{-}
$$
Which of the following choices is correct for a mixture of $\displaystyle 300 \mathrm{~mL} 0.134 \mathrm{M} \mathrm{Pb}\left(\mathrm{NO}_3\right)_2$ and $\displaystyle 100$ mL $\displaystyle 0.4$ M NaCl ?
Official answer
(1)
$\displaystyle Q>K_{s p}$
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JEE Main 2020 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.