Co-ordination number of Cr in CrCl3.6H2O is 6. The volume of 0.1 N AgNO3 needed to precipitate the chorine in ionization sphere in 200 ml of 0.01 M solution of the complex can not be:

Question

Prashant Kotian · Accepted Answer

Correct answer: C. (i)   2 3 3 6 Cr H O Cl AgNO 3AgCl ...        200 × 0.01 × 3 = 0.1 × V V = 60 ml (ii)   2 2 2 3 5 Cr H O Cl Cl .H O 2AgNO 2AgCl .......        200 × 0.01 × 2 = 0.1 × V V = 40 ml (iii)   2 2 2 3 4 Cr H O Cl Cl.2H O AgNO AgCl .......        200 × 0.01 × 1 = 0.1 × V V = 20 ml

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