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Question

Using the brønsted theory classify the compound as either an acid or a base

1. HCOOH
2. HCOO-
3. HNO3
4. -CH2COOCH3

Answer 1

A Bronsted acid is a proton donor, and a Bronsted base is a proton acceptor. Ask yourself which compounds can donate a proton and which can accept a proton. Hint: some of the compounds listed have a negative charge, and a proton has a positive charge.