Identify the correct statement from following.

Identify the correct statement from following.
  1. Oxidation number of oxygen is -2 in all of its compounds.
  2. Hydrogen has same electronegativity as halogens.
  3. Hydrogen exhibits oxidation number -1 and +1 .
  4. Hydrogen has same ionisation enthalpy as alkali metals.

Solution

Hydrogen has same ionisation enthalpy as alkali metals.

Asked in: MHT CET 2022 (10 Aug Shift 1)

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