In the complex [ C o ( N H 3 ) 6 ] [ C d C l x ] the oxidation number of cobalt is +3. The value of x is

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In the complex

[C o (N H_{3})_{6}] [C d C l_{x}]

the oxidation number of cobalt is +3. The value of x is

ChemistryCoordination CompoundsNEET

Options:

A 3
B 4
C 2
D 5

Solution:

1364 Upvotes Verified Answer

The correct answer is: 5

Since oxidation number of cobalt is +3 and that of Cd is +2. Thus charge on

[C d C l_{x}]^{3 -}

should be -3. Hence x + 2 = -3
or x = 5.

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