Oil of Vitriol refers to:
Correct answer: D. Sulfuric acid
- A. Caustic soda
- B. Alum
- C. Borax
- D. Sulfuric acid
- E. Nitric acid
Explanation
The correct answer is Sulfuric acid (Option D). Historically, sulfuric acid was called 'oil of vitriol' because it was produced by roasting iron sulfate (vitriol) and has an oily consistency. The other options are not connected to the term 'vitriol':Caustic soda (Option A) is an alkaline substance and not an acid.Alum (Option B) is a compound of aluminum and not an acid.Borax (Option C) is a boron compound also unrelated to acids.Nitric acid (Option E) is another type of acid but not referred to as 'oil of vitriol'.
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About s-Block and p-Block Elements
The s and p blocks are studied through their valence-shell configurations, periodic trends and characteristic chemical properties. Work covers the reactions of Group I and Group II elements, the behaviour of Group IV elements, and how atomic size, ionization energy, electronegativity and metallic character change across periods and down groups.
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