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A light greenish salt is soluble in water. On passing H2S gas into the solution, a black precipitate is obtained which dissolves readily in HCI.

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A light greenish salt is soluble in water. On passing H2S gas into the solution, a black precipitate is obtained which dissolves readily in HCI. The metal ion present is – 

(1) Fe2+ 

(2) Co2+ 

(3) Ni2+ 

(4) Mn2+

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1 Answer

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by (42.2k points)

Correct option is (3) Ni2+

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