Year: 2019
Topic: The p-Block Elements
Time :
1.
Which is the correct thermal stability order for H
2
E
(E = O, S, Se, Te and Po)?
(1). H
2
O < H
2
S < H
2
Se < H
2
Te < H
2
Po
(2). H
2
Po < H
2
Te < H
2
Se < H
2
S < H
2
O
(3). H
2
Se < H
2
Te < H
2
Po < H
2
O < H
2
S
(4). H
2
S < H
2
O < H
2
Se < H
2
Te < H
2
Po