JEE Chemistry - MCQ Practice Questions

In the Williamson ether synthesis, the reactivity order for nucleophilic substitution by alkoxide ions (RO-) follows which pattern?

In the ozonolysis of 2-methylbut-2-ene, the number of organic products formed is:

The compound that will show geometrical isomerism is:

In the polymer synthesis by condensation polymerization, the type of linkage formed when dicarboxylic acids react with diols is:

Which of the following compounds will undergo SN2 reaction most readily?

The IUPAC name of the compound with structure CH3-CH(OH)-CH2-CHO is:

In the nitration of benzene using HNO3/H2SO4, the electrophile is:

Which functional group shows a strong absorption around 1700-1750 cm⁻¹ in IR spectrum?

Grignard reagent (RMgX) reacts with water to give:

In the Friedel-Crafts alkylation of benzene with alkyl halides, the catalyst used is:

Which of the following compounds undergoes SN1 reaction most readily?

Which reagent is used to differentiate between aldehydes and ketones?

The oxidation of primary alcohols with chromic acid (H2CrO4) in acidic medium gives:

Which mechanism best describes the addition of HBr to propene?

Which of the following compounds exhibits keto-enol tautomerism?

Which of the following is not a nucleophile?

The Williamson ether synthesis involves reaction of an alkoxide with:

Which of the following shows the most stable carbocation?

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?