Question

Which among the following is(are) double displacement reaction(s)? *
Captionless Image
(a) (i) and (iv)
(b) (ii) only
(c) (i) and (ii)
(d) (iii) and (iv

Answer 1

Answer:

Correct option is

B

(ii) only

Double displacement reactions are those in which ions of the reactants are exchanged to form new compounds as products.

In option (ii),

Na

+

ion combines with Cl

−

ion and SO

4

2−

ion combines with Ba

2+

ion to form two new compounds as sodium chloride (NaCl) and barium sulphate (BaSO

4

) respectively.

Answer 2

Explanation:

there is no photo how can we tell the answer first