The catalyst used in the contact process for the manufacture of tetraoxosulphate (VI) acid is
manganes (IV) oxide
manganese (ll) tetraoxosulphate (VI)
vanadium (V) oxide
iron metal
Correct answer is C
No explanation has been provided for this answer.
Cu (s) + 2HNO 3(aq) → Cu (NO 3) 2(aq) + H 2(g)
Cu (s) + 4HNO 3(aq) → Cu (NO 3) 2(aq) + 2H 2O (1) + 2NO 2(g)
3Cu (s) + 8HNO3(aq) → 3Cu (NO3)2(aq) + 4H2O(1) + 2NO(g)
3Cu(s) + 4HNO3(aq) → 3Cu(NO 3) 2(aq) + 2H 2O (1) + 2NO (g)
Correct answer is B
No explanation has been provided for this answer.
- 2792
+ 2792
- 64
+ 64
Correct answer is D
No explanation has been provided for this answer.
- 2
- 3
- 4
- 5
Correct answer is C
No explanation has been provided for this answer.
Cu 2+ only
H + only
Cu 2+ and H
Cu 2+ and SO 2-
Correct answer is A
No explanation has been provided for this answer.