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UPSC Combined Geo-Scientist

Chemist

  • 2 objective papers
  • 120 questions each
  • 2 h per paper
  • 100 + 300 marks

Prelims Paper II covers chemistry.

UPSC Combined Geo-Scientist, Prelims · 2025 · Paper II, Chemistry · Q16 of 120

Geo-Scientist Prelims 2025 Chemistry Q16: Which one of the following statements regarding B(OH)₃ is correct ?

Questionp-block / boric acid

Which one of the following statements regarding B(OH)₃ is correct ?

  1. (a) It is a hydroxide and a strong Brønsted base.
  2. (b) It is a tribasic acid.
  3. (c) It is a weak Lewis acid.
  4. (d) It is a strong Brønsted acid.

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