Offline paper
Chemistry · 2017
JEE Main 2017 · 2017-04-02 Offline · Q50
On treatment of 100 mL of 0.1 M solution of CoCl_3 · 6 H_2 O with excess AgNO_3; 1.2 × 10^22 ions are precipitated. The complex is:
On treatment of $\displaystyle 100$ mL of $\displaystyle 0.1$ M solution of $\displaystyle \mathrm{CoCl}_3 \cdot 6 \mathrm{H}_2 \mathrm{O}$ with excess $\displaystyle \mathrm{AgNO}_3$; $\displaystyle 1.2 \times 10^{22}$ ions are precipitated. The complex is :
Official answer
(3)
$\displaystyle \left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_4 \mathrm{Cl}_2\right] \mathrm{Cl} .2 \mathrm{H}_2 \mathrm{O}$
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