Chemistry Question Bank

The major product obtained in the following reaction is : (a) (b) (c) (d)

What reagent is used in the Rosenmund’s reduction ?

Cyclohexene on ozonolysis followed by reaction with zinc dust and water gives compound E. Compound E on further treatment with aqueous KOH yields compound F. Compound F is (a) (b) (c) (d)

The end product in the following sequence of reaction is

The IUPAC name of the following structure is

Identify compound X in the following sequences of reactions : (NEET 2021) (a) (b) (c) (d)

Conc.NaOH O|| H C H CH CH O -> Find out the products of reaction (AIIMS 2019)

The IUPAC name of the compound (NEET 2017) is

The correct statement regarding a carbonyl compound with a hydrogen atom on its alpha-carbon is (NEET 2016)

(i)CH MgBr (i)Dil.NaOH (ii) (ii)H O P R -> -> 4-methylpent-3-en-2-one compound P is (KCET 2014)

Ozonolysis (Reductive) X Y Z -> Y can be obtained by Etard’s reaction, Z undergoes disproportion reaction with concentrated alkali ,X could be (KCET 2014) (a) (b) (c) (d)

Which of the following organic compounds answers both iodoform test Fehling’s test? (KCET 2013)

An organic compound A burns with a sooty flame. It is negative towards Tollen’s reagent test and positive for Brady’s reagent test. The compound A is (KCET 2011)

The major product formed from the following reaction is (AFMC 2010) (a) (b) (c) (d)

When ethanal is treated with Fehling’s solution, it gives a precipitate of (AFMC 2010)

Name the reagent used to bring about the following transformation : But-2-ene to ethanal (AMU 2010)

Which of the following reaction will not result in the formation of carbon-carbon bonds? (CBSE AIPMT 2010)

Identify the reaction which is used to obtain -hydroxy ketone? (Guj CET 2010)

Ethyl methyl ketone is obtained by heating calcium salts of (MHT CET 2010)

In the following reaction sequence, C H NH Cl Ca(OH) Alc.KOH CH CHO X Y -> -> Y is (MHT CET 2010)

Aldehydes and ketones are differentiated by using (UP CPMT 2010)

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)