Coordination Compounds Ques 12
12. The correct order of the stoichiometries of $AgCl$ formed when $AgNO_3$ in excess is treated with the complexes : $CoCl_3 .6 NH_3, CoCl_3 .5 NH_3$, $CoCl_3 .4 NH_3$ respectively is :-
[2017]
(a) $3 AgCl, 1 AgCl, 2 AgCl$
(b) $3 AgCl, 2 AgCl, 1 AgCl$
(c) $2 AgCl, 3 AgCl, 1 AgCl$
(d) $1 AgCl, 3 AgCl, 2 AgCl$
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Answer:
Correct Answer: 12.(a)
Solution:
(a) In the given complex, the $CN$ of Co is 6 , and the complex has octahedral geometry.
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