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Chlorides of Phosphorus

Yellow ppt of...

Question

Yellow ppt of $K_{3} [{C o ({N O}_{2})}_{6}]$ is formed when ${C o C l}_{2}$ reacts with excess of ${K N O}_{2}$ in presence of ${C H}_{3} C O O H$ .

If the given above statement is true enter 1 else 0.

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Solution

Yellow ppt of $K_{3} [{C o ({N O}_{2})}_{6}]$ . is formed when ${C o C l}_{2}$ reacts with excess of ${K N O}_{2}$ in presence of ${C H}_{3} C O O H$ .
${C o C l}_{2} + {6 K N O}_{2} + {C H}_{3} C O O H \to K_{3} [{C o ({N O}_{2})}_{6}] ↓ + 2 K C l + C H_{3} C O O K + 0.5 H_{2}$

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