Copper II Sulphate

Q.

………….. salt solution on reacting with Ammonium hydroxide solution gives a deep blue solution.

Q.

Distinguish by adding Ammonium hydroxide solution to Copper salt and Zinc salt.

Q. $2CuS{O}_4+K_4\left[Fe\right(CN{)}_6]⟶A+2K_{2}S{O}_4.A$ is

1. $C{u}_2\left[Fe\right(CN{)}_6]$
2. $Cu\left[Fe\right(CN)z-6]$
3. $C{u}_2\left[Fe\right(CN{)}_4]$
4. None of the above

Q. What compound is formed when copper sulphate solution reacts with an excess of $KCN$?

1. $Cu(CN{)}_2$
2. $CuCN$
3. $K_2\left[Cu\right(CN{)}_4]$
4. $K_3\left[Cu\right(CN{)}_4]$

Q. The types of bonds present in $CuS{O}_4.5H_{2}O$ are only

1. Electrovalent and covalent
2. Electrovalent and coordinate covalent
3. Electrovalent, covalent, and coordinate covalent
4. Covalent and coordinate covalent

Q. When $CuS{O}_4$ is treated with excess KCN solution, what compound(s) is/are formed?

1. $K\left[Cu\right(CN{)}_2]$
2. $K_3\left[Cu\right(CN{)}_4]$
3. $K_2\left[Cu\right(CN{)}_4]$
4. $N\equiv C-C\equiv N$

Q. What compound is formed when copper sulphate solution reacts with an excess of $KCN$?

1. $Cu(CN{)}_2$
2. $CuCN$
3. $K_2\left[Cu\right(CN{)}_4]$
4. $K_3\left[Cu\right(CN{)}_4]$