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JEE Chemistry - MCQ Practice Questions

Practice free JEE Chemistry multiple-choice questions with detailed answers and explanations. Perfect for competitive exam preparation.

457 questions | 100% Free

Q.81Medium

Identify the compound with molecular formula C6H12 that shows geometrical isomerism:

Q.82Medium

When 2-methylpropene reacts with cold dilute KMnO4, the product is:

Q.83Medium

In the oxidation of primary alcohols using K2Cr2O7/H2SO4, the final product is:

Q.84Medium

The stereochemistry of an SN2 reaction is:

Q.85Medium

Which of the following is the correct order of acidity for carboxylic acids?

Q.86Medium

In the reaction of acetylene with HgSO4/H2SO4, the product is:

Q.87Medium

The Wittig reaction converts a carbonyl compound into:

Q.88Medium

In the Friedel-Crafts alkylation of benzene with 1-chloropropane and AlCl3, the major product is isopropylbenzene due to:

Q.89Medium

The pKa of phenol (C6H5OH) is approximately 10, while that of aliphatic alcohol is around 16. This difference is due to:

Q.90Medium

Which of the following compounds will not give a positive Iodoform test?

Q.91Medium

In the nitration of anisole (C6H5-O-CH3), the major product is:

Q.92Medium

The reaction of acetyl chloride with aniline preferentially gives N-acetylaniline rather than p-acetylaniline because:

Q.93Medium

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

Q.94Medium

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

Q.95Medium

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

Q.96Medium

The compound that will show maximum hydrogen bonding is:

Q.97Medium

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

Q.98Medium

The reaction of phenol with excess bromine in water produces:

Q.99Medium

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

Q.100Medium

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