Forum

Two metals (A) and ...
 
Notifications
Clear all

Two metals (A) and (B) belong to the same group of the periodic table. Metal (A) forms an insoluble oxide but a soluble sulphate, metal (B) forms a soluble oxide but an insoluble sulphate.

1 Posts
2 Users
0 Likes
266 Views
0
Topic starter

Two metals (A) and (B) belong to the same group of the periodic table. Metal (A) forms an insoluble oxide but a soluble sulphate, metal (B) forms a soluble oxide but an insoluble sulphate. Both metals (A) and (B) form hydroxides which are soluble in alkalis. (A) and (B) are

(a) Ba and Mg

(b) Na and K

(c) Mg and Ba

(d) K and Rb

1 Answer
0

Correct answer: (c) Mg and Ba

Explanation:

MgO is insoluble, whereas MgSO4 is soluble, whereas BaO is soluble, but BaSO4 is insoluble.

Share:

How Can We Help?