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MHT CET202526 Apr 2025Morning ShiftChemistryp Block Elements (Group 15, 16, 17 & 18)Actual

Which of the following statements is false about oxygen and sulphur?

Options

  1. AAtoms of oxygen and sulphur consist two unpaired electrons in valence shell.
  2. BOxygen and sulphur show -2,+4 and +6 oxidation states.
  3. COxygen is gas while sulphur is solid at room temperature.
  4. DHydride of oxygen is more stable than hydride of sulphur.

Correct answer

B. Oxygen and sulphur show -2,+4 and +6 oxidation states.

Step-by-step solution

To identify the false statement, each option is evaluated against the chemical properties of oxygen and sulphur. A) Both oxygen ( [ He ] 2s^2 2p^4 ) and sulphur ( [ Ne ] 3s^2 3p^4 ) possess two unpaired electrons in their valence p-orbitals. This statement is true. B) Oxygen rarely exhibits oxidation states beyond +2 due to high electronegativity and lack of d-orbitals, whereas sulphur commonly shows +4 and +6 states. Oxygen does not demonstrate +4 or +6 oxidation states, making this statement false. C) At room tem

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