Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Science Chemistry Periodic Table
Which is the correct thermal stability order for H2E (E = O, S, Se, Te and Po)?
1
H2S < H2O < H2Se < H2Te < H2Po
2
H2O < H2S < H2Se < H2Te < H2Po
3
H2Po < H2Te < H2Se < H2S < H2O
4
More than one of the above
5
None of the above