MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Inorganic ChemistryCoordination compoundsPrevious Year Questions
The correct order of the stoichiometries of AgCl formed when AgNO3 in excess is treated with the complexes: CoCl36NH3, CoCl35NH3, CoCl34NH3 respectively is (NEET 2017)
A.3 AgCl, 1 AgCl, 2 AgCl
B.3 AgCl, 2 AgCl, 1 AgCl✓ Correct
C.2 AgCl, 3 AgCl, 1 AgCl
D.1 AgCl, 3 AgCl, 2 AgCl
Explanation
3 3 3 3 6 3 3 3 3 3 6 6 3 3 3 3 2 5 3 2 3 3 3 5 5 2 3 3 3 2 4 3 2 3 3 2 5 4 CoCl .6NH = Co NH Cl Co NH Cl +3AgNO Co NH NO +3AgCl CoCl .5NH = Co NH Cl Cl Co NH Cl Cl +2AgNO Co NH Cl NO +2AgCl CoCl .4NH = Co NH Cl Cl Co NH Cl Cl +2AgNO Co NH Cl -> -> -> 3 NO +AgCl The correct order of the stoichiometries of AgCl formed is 3,2,1. Therefore , the option (b) is correct.
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