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Question: Complex salt can be made by the combination of \(\lbrack Co^{III}(NH_{3})_{5}Cl\rbrack^{X}\) with....

Complex salt can be made by the combination of [CoIII(NH3)5Cl]X\lbrack Co^{III}(NH_{3})_{5}Cl\rbrack^{X} with.

A

PO43−PO_{4}^{3 -}

B

Cl−Cl^{-}

C

2Cl−2Cl^{-}

D

2K+2K^{+}

Answer

2Cl−2Cl^{-}

Explanation

Solution

[Co(NH3)5Cl]x+2Cl−→[Co(NH3)5Cl]Cl2\lbrack Co(NH_{3})_{5}Cl\rbrack^{x} + 2Cl^{-} \rightarrow \lbrack Co(NH_{3})_{5}Cl\rbrack Cl_{2}.