Year: 2020
Topic: The p-Block Elements
Time :
1.
Which of the following oxoacid of sulphur has -O-O-linkage?
(1). H
2
SO
4
, sulphuric acid
(2). H
2
S
2
O
8
, peroxodisulphuric acid
(3). H
2
s
2
O
7
. pyrosulphuric acid
(4). H
2
SO
3
, sulphurous acid