JEE Chemistry - MCQ Practice Questions

Which of the following compounds exhibits keto-enol tautomerism?

In the reaction of phenylmagnesium bromide (Grignard reagent) with CO2 followed by hydrolysis, the main product is:

The order of reactivity in electrophilic aromatic substitution for halogens is:

Which of the following is not a nucleophile?

The Williamson ether synthesis involves reaction of an alkoxide with:

In the Clemmensen reduction of a ketone, the reducing agent used is:

The major product when 2-methylbut-3-en-1-ol undergoes PCC oxidation is:

Which of the following shows the most stable carbocation?

In the acetoacetic ester synthesis, the initial condensation is between acetoacetic ester and alkyl halide in the presence of:

The compound that will show maximum hydrogen bonding is:

Which of the following alkenes will undergo hydroboration-oxidation to give a secondary alcohol as the major product?

In the ozonolysis of but-2-ene, the products formed are:

Which mechanism is involved in the reaction of tert-butyl bromide with aqueous NaOH?

The reaction of phenol with excess bromine in water produces:

Which of the following compounds will give a positive Tollens test?

In the dehydration of 2-methylbutan-2-ol, the major product is:

The addition of HBr to propene in the presence of peroxides follows:

Which of the following is the correct IUPAC name for the compound CH₃-CHBr-CH₂-CH₃?

In the nitration of benzene with HNO₃/H₂SO₄, the rate-determining step involves attack by:

Which intermediate is formed when acetyl chloride reacts with benzene in the presence of AlCl₃?