Question

which is not a constituent element of sulphuric acid

Answer 1

Sulphuric acid has the formula H2SO4. Thus the constituent elements are Hydrogen, Sulphur, Oxygen. The structure is shown in the pic.
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Answer 2

The molecular formula of sulphuric acid is H₂SO₄.

• The sulphuric acid has sulfur (S), hydrogen (H), and oxygen (O) as its constituent elements.
• Sulphuric acid is an oily, highly corrosive mineral acid.
• Sulphuric acid is also called the oil of vitriol.
• It also acts as an oxidizing agent.
• The oxidation state of sulfur in the acid is (+6) because it has 6 electrons involved in bonding.
• The molecular weight of sulphuric acid is 98 grams per mole.