The chemical name of ‘oil of vitriol’ is:A. nitric acidB. hydrochloric acidC. potassium hydroxideD. sulphuric acid
The chemical name of ‘oil of vitriol’ is sulphuric acid.
Here's the explanation:
Oil of vitriol is a historical name for sulphuric acid (H₂SO₄).
This name originated because sulphuric acid was historically obtained by distilling green vitriol (iron(II) sulfate) and appeared as an oily, dense liquid.
The other options are:
Nitric acid (HNO₃) is a different acid often used in fertilizers and explosives.
Hydrochloric acid (HCl) is a strong acid commonly used in cleaning and chemical processes.
Potassium hydroxide (KOH) is a strong base, not an acid.
So, the correct answer is D. sulphuric acid.
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