Question

(iv) Formation of salt is seen
Alternatiuh : (A) only(i)correct
(B) (i) & (ii) both correct
(C) (i) & (iii) correct
(D) (i) & (iv) correct​

Answer 1

Answer:

may be my answer helps you

Explanation:

Double salts are addition compounds formed by the combination of two or more stable compounds in stoichiometric proportions. Carnallite is a double salt formed when KCl and MgCl

2

combine with 6 molecules of water.(KCl.MgCl

2

.6H

2

O).

K

2

SO

4

+Al

2

(SO−4)

3

+24H

2

O forms potash Alum K

2

SO

4

.Al

2

(SO

4

)

3

.24H2O. These are examples of double salts. In a dissolved state, these double salts lose their identity to form metal ions and non metal ions or radicals. CuSO4 combines in stoichiometric proportions with NH

3

and water and forms tetrammine copper(II) sulphate mono hydrate (CuSO

4

.4NH

3

.H

2

O), which is a complex or coordinate compound.

Hence options A & B are correct.

Answer 2

Answer is B option

(1) and (2) both are correct

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