Question

What is meant by Hydrogen bond? Why is HF, H2O are liquids where as Hcl, HBr and HI are gases

Answer 1

Answer:

In H2O there is hydrogen bonding because oxygen has a high electronegativity. So, the hydrogen atoms from other molecules of water form a hydrogen bonds with oxygen resulting in intermolecular hydrogen bonding. Therefore at room temperature, H2O is a liquid and H2S is a gas.

Explanation:

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