Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test General Science Chemistry Periodic Table
Amongst H2O, H2S, H2Se and H2Te the one with the highest boiling point is:
1
H2O because of hydrogen bonding
2
H2Te because of higher molecular weight
3
H2S because of hydrogen bonding
4
More than one of the above
5
None of the above