Chemistry Question Bank

Consider the following statement Acetophenone can be prepared by (1) Oxidation of 1-phenyethanol (2) Reaction of 1-phenylethanol with methyl magnesiumbromide (3) Friedel Craft’s reaction of benzene with acetyl chlorid…

Acetone on distillation with conc. H2SO4 forms

The oxidation of toluene to benzaldehyde by chromyl chloride is called

Which one of the following can be oxidised to the corresponding carbonyl compound?

Methyl ethyl ketone is prepared by the oxidation of

The oxidation product of 2-propanol with hot conc. HNO3 is

Oxidation reactions can be carried out with chromic acid in aqueous acetone at 5–10°C.Which of following is incorrect in this respect (a) (b)

An organic compound X on treatment with pyridinium chloro chromate in dichloromethane gives compound Y. Compound Y reacts with I2 and alkali to form triiodomethane. The compound ‘X’ is

Aldehydes are the first oxidation product of

Ketones where R = R1 = alkyl group. It can be obtained in one step by

Arrange the following compounds in decreasing order of their boiling points. CH3CHO, CH3CH2OH, CH3OCH3, CH3CH2CH3

Which of the following is the industrial method of preparation of acetaldehyde?

A and B are respectively.

If heavy water is taken as solvent instead of normal water while performing Cannizzaro reaction, the products of the reaction are (AIIMS 2009)

The most reactive of the following is (J&K CET)

The compound, with which ethanal does not react, is. (AFMC 2009)

Assertion(A) 2-butenal lacks enolisable H-atom, α to carbonyl group, still it has sufficient acidic character. Reason(R) The conjugate base of 2-butenal is stabilized by resonance. (AIIMS 2009)

The compound 푥is

The reaction given is

Undergo Cannizaro reaction give product as (a) (b) (c) (d)

(a) (b) (c) (d)

shows Cannizzaro’s reaction due to

Benzaldehyde + NaOH→

In the scheme given below, the total number of intramolecular aldol condensation products formed from ′′푌′′ is (a)1 (b)2 (c)3 (d)4

(a) (b) (c) (d)