Single Choice

A light green coloured salt soluble in water gives black precipitate on passing $$ H_{2}S $$ which dissolves readily in $$HCl$$. The metal ion present is:

A$$ CO^{2^+} $$
B$$ Fe^{2^+} $$
Correct Answer
C$$ Ni^{2^+} $$
D$$ Ag^{+} $$

Solution

SIMILAR QUESTIONS

Ionic Equilibrium in Solutions

What happens when HCl gas is passed through saturated NaCl solution ?

Ionic Equilibrium in Solutions

The reagents aqueous $$ NH_{4}Cl$$ and aqueous $$NH_{3}$$ will precipitate:

Ionic Equilibrium in Solutions

Which of the following statements is/are correct with reference to the ferrous and ferric ions?

Ionic Equilibrium in Solutions

Formation of a rosy-red precipitate when a slightly alkaline solution of inorganic salt is treated with dimethyl glyoxime confirms the presence of

Ionic Equilibrium in Solutions

A compound is soluble in water. If ammonia is added to aqueous solution of the compound, a brown precipitate appears which soluble in dil. HCl the compound has

Ionic Equilibrium in Solutions

A solution of a metal in when treated with KI gives a red precipitate which dissolves in excess of KI to give a colourless solution. Moreover, the solution of metal ion on treatment with a solution of cobalt (II) thiocyanate gives rise to deep blue crystalline precipitate. The metal ion is:

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