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JEE · NEET Previous Year Question

$Consider the coordination compound, [Co (N H_{3})_{6}] C l_{3} . In the formation of the complex, the species which acts as the Lewis acid is$

Topic: JEE PYQ

Answer: C. Full step-by-step solution below.

A $[Co(N H_{3})_{6}]^{3 +}$
B $C l^{-}$
C $C o^{3 +}$
D $N H_{3}$

Correct answer: C

Solution

(c) Metalcation i.e. Ca^{3 +} act as a lew is acid which accept lone pair from ligands of NH_{3} .

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