Which of the following molecules has a chiral centre correctly labelled with as asterisk (*)?

Which of the following does not give aldol condensation reaction?

A compound (A) with molecular formula C₅H₁₀O,forms a phenyl hydrazone and gives negative Tollen's and iodoform tests. The compound on reduction gives n-pentane. The compound (A) is

Which of the following is most reactive in nucleophilic addition reactions?

Predict the correct intermediate and the product in the following reaction:

Phenol reacts with CO₂ at 3-7 atm, on heating in presence of NaOH followed by acidification to form

Salicylic acid on heating with acetic anhydride in basic medium gives

Which of the following are benzylic alcohols?

Phenol can be distinguished from ethanol by the reactions with ___________

'X', X is

The increasing order of reactivity towards S_N1 mechanism is

Which of the following undergoes nucleophilic substitution exclusively by S_N1 mechanism?

Cannizzaro's reaction is not given by ____________.

Salicylic acid and phenol can be distinguished by the use of

Ethers are treated with an aqueous solution of A in order to remove peroxides from it. Identify the 'A' from the following options.

The process of converting alkyl halides into alcohols involves___________.

Give IUPAC name of the compound given below.

Which of the following alcohol contains C_sp³ - OH bond?

When freon is manufactured by tetrachloromethane, the reaction involved in this process is called

With which mixture carbylamine test is performed in the presence of alc. KOH?

Chloroform can be obtained from

Carbon-halogen bond is polarised because

Through which of the following reactions number of carbon atoms can be increased in the chain ?

Hydroxylamine reacts with

A liquid was mixed with ethanol and a drop of concentrated H₂SO₄ was added. A compound with a fruity smell was formed. The liquid was

Among the followig compounds, the one(s) that gives effervescence with aqueous NaHCO₃ solution is (are)
I. (CH₃CO)₂O
II. CH₃COOH
III. PhOH
IV. CH₃COCHO

The correct increasing order of the acid strength of benzoic acid (I), 4-nitrobenzoic acid (II),3, 4-finitrobenzonic acid (III) and 4-methoxybenzoic acid (IV) is

The correct order of acidic strength of carboxylic acids is

An organic compound with the molecular formula C₈H₈O forms 2, 4 - DNP derivative, reduces Tollens' reagent and undergoes Cannizzaro reaction. On vigorous oxidation, it gives 1,2-benzene dicarboxylic acid. The organic compound is 

Which of the following reagents converts C₆H₅COCHO to C₆H₅CHOHCOOH ?

tert-Butyl ether on heating with HI gives a mixture of 

A compound of molecular formula CH 100% (A) reacts with Tollens' reagent to give silver mirror but does not undergo aldol condensation. The compound A is

The cross aldol product formed when propanal acts as the electrophile and butanal as nucleophile is

Among the following the one which reacts most readily with ethanol is

The conversion of m-nitrophenol resorcinol involves respectively

Propene on hydroboration-oxidation produces

Molecules whose mirror image is non-super-imposable over them are known as chiral. Which of the following molecules is chiral in nature?

A primary alkyl halide would prefer to undergo ...........

The hydrolysis of optically active 2-brombutane with aqueous NaOH results in the retention reading to partial racemization

Which of the following reactions is an example of nucleophilic substitution reaction ?

When ethanol is heated with HI and red phosphorus, it gives

The compound (C) in the following series of reactions is:
\(Aceton+{ CH }_{ 3 }MgBr\overset { Dry\ ether }{ \longrightarrow } A\overset { { H }_{ 3 }{ O }^{ + } }{ \longrightarrow } B\overset { 363K }{ \underset { 20%{ H }_{ 2 }{ SO }_{ 4 } }{ \longrightarrow } } C+H_{ 2 }O\)

Which one of the following forms propanenitrile as the major product?

Which of the following are arranged in the decreasing order of dipole moment?