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Question

Chemistry Question on coordination compounds

Cr+3 {Cr^{+3}} in aquous medium form green coloured complex with NH3 {NH_3} ligand. How many ligand associated

A

3

B

4

C

5

D

6

Answer

6

Explanation

Solution

[Cr(H2O)6]+3+6NH3s−>[Cr(NH3)6]+3=+6H2O {[Cr(H_2O)_6]^{+3} + 6NH_3 s -> [Cr(NH_3)_6]^{+3} = + 6H_2O } Cr+3{Cr^{+3}} show six C.N. with NH3 {NH_3}