Q. Which of the following is/are correct statements(s)?

Aldehydes Ketones and Carboxylic Acids Report Error

Solution:

Correct answer is (a) In presence of conc. changes to cyclic trimer-paraldehyde which is a hypnotic.Correct answer is (c) In presence of forms hexose.Correct answer is (d) At room temperature, HCHO forms cyclic timertrioxame.