Unit 23: Carbonyl Compounds and Carboxylic Acids — Mcqs

12th Class Chemistry · Unit 23: Carbonyl Compounds and Carboxylic Acids

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Q1.I.Ketones are prepared by the oxidation of alcohols:

Q1.II.Which of the following will not give the iodoform test? a) Acetaldehyde b) 2-pentanone c) 3-Pentanoacid d) Acetone

Q1.III.When a carboxyl acid reacts with an alchol, the product is an:

Q1.IV.Carboxylic acids react with carbonates to produce gas.

Q1.V.Which type of alcohols produces aldehydes?

Q1.VI.The hybridizalion of the oxygen of carbonyl group is:

Q1.VII.Which is the main product of the reaction between acetic acid and PCl₅?

Q1.VIII.Acidic character of chlorine substituted carboxylic acid is higher because chlorine is:

Q1.IX.When formic acid is oxidized, which of the following is formed?

Q1.X.The mechanism by which acyl chlorides react with alcohols is.