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Chemistry · Classification of Elements and Periodicity in Properties

हिन्दी

What is the oxidation state and covalency of aluminium in \( [\text{AlCl}(\text{H}_2\text{O})_5]^{2+} \)?

  1. Oxidation state = +3, Covalency = 6
  2. Oxidation state = +3, Covalency = 4
  3. Oxidation state = +2, Covalency = 6
  4. Oxidation state = +3, Covalency = 5

Correct answer · Option 1

Oxidation state = +3, Covalency = 6

Explanation

The oxidation state of Al is calculated as +3 and it is bonded to 6 ligands (1 Cl and 5 H2O molecules), hence its covalency is 6.
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