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MAH-MHT CET (PCM/PCB) entrance exam Question Bank Solutions for Chemistry

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Chemistry
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Which of the following reagents is used in Hofmann's elimination reaction of amines?

[23] Amines
Chapter: [23] Amines
Concept: undefined >> undefined

Which of the following compounds is obtained when quaternary ammonium hydroxide is strongly heated?

[23] Amines
Chapter: [23] Amines
Concept: undefined >> undefined

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Which of the following compounds does NOT undergo Friedel-Crafts reaction?

[22] Aldehydes, Ketones, and Carboxylic Acids
Chapter: [22] Aldehydes, Ketones, and Carboxylic Acids
Concept: undefined >> undefined

What is the final product obtained when benzonitrile react with phenyl magnesium bromide in equimolar proportion?

[22] Aldehydes, Ketones, and Carboxylic Acids
Chapter: [22] Aldehydes, Ketones, and Carboxylic Acids
Concept: undefined >> undefined

Identify 'A' in the following reaction.

\[\ce{A ->[H2][Pd-BaSO4] C6H5CHO + HCl}\]

[22] Aldehydes, Ketones, and Carboxylic Acids
Chapter: [22] Aldehydes, Ketones, and Carboxylic Acids
Concept: undefined >> undefined

Which of the following is obtained by hydrogenation of benzoyl chloride in presence of Pd on BaSO4?

[22] Aldehydes, Ketones, and Carboxylic Acids
Chapter: [22] Aldehydes, Ketones, and Carboxylic Acids
Concept: undefined >> undefined

Identify the reagent A used in the following conversion.

\[\ce{Phenol ->[A] Benzoquinone}\]

[21] Alcohols, Phenols, and Ethers
Chapter: [21] Alcohols, Phenols, and Ethers
Concept: undefined >> undefined

Which of the following on oxidation yields ethyl methyl ketone?

[21] Alcohols, Phenols, and Ethers
Chapter: [21] Alcohols, Phenols, and Ethers
Concept: undefined >> undefined

Identify product B in the following conversion?

\[\ce{Phenol ->[NaOH] A ->[CH3I] B}\]

[21] Alcohols, Phenols, and Ethers
Chapter: [21] Alcohols, Phenols, and Ethers
Concept: undefined >> undefined

Identify the alcohol that reacts immediately with Lucas reagent?

[21] Alcohols, Phenols, and Ethers
Chapter: [21] Alcohols, Phenols, and Ethers
Concept: undefined >> undefined

A reaction of phenol with chloroform in presence of sodium hydroxide to form salicylaldehyde is known as ____________.

[21] Alcohols, Phenols, and Ethers
Chapter: [21] Alcohols, Phenols, and Ethers
Concept: undefined >> undefined

How many points of attachment are present in the ligand dimethyl glyoximato?

[19] Coordination Compounds
Chapter: [19] Coordination Compounds
Concept: undefined >> undefined

Identify product A in the following reaction:

\[\ce{Acetyl chloride + Dibenzylcadmium -> A}\]

[22] Aldehydes, Ketones, and Carboxylic Acids
Chapter: [22] Aldehydes, Ketones, and Carboxylic Acids
Concept: undefined >> undefined

Which of the following does NOT give carbylamine test?

[23] Amines
Chapter: [23] Amines
Concept: undefined >> undefined

Chromyl chloride converts methyl group to a chromium complex, which on acid hydrolysis gives corresponding aldehyde. This reaction is called ____________.

[22] Aldehydes, Ketones, and Carboxylic Acids
Chapter: [22] Aldehydes, Ketones, and Carboxylic Acids
Concept: undefined >> undefined

Which of the following alcohols is NOT prepared by reduction of carbonyl compounds?

[21] Alcohols, Phenols, and Ethers
Chapter: [21] Alcohols, Phenols, and Ethers
Concept: undefined >> undefined

Identify the product obtained when phenol is treated with bromine water?

[21] Alcohols, Phenols, and Ethers
Chapter: [21] Alcohols, Phenols, and Ethers
Concept: undefined >> undefined

Which of the following reactions does NOT yield an amine?

[23] Amines
Chapter: [23] Amines
Concept: undefined >> undefined

If 300 mL of a gas at 26.85°C is cooled to 6.85°C at constant pressure. What will be the final volume of gas?

[6] States of Matter: Gaseous and Liquid States
Chapter: [6] States of Matter: Gaseous and Liquid States
Concept: undefined >> undefined

An element crystallizes in fee lattice with cell edge 250 pm. Calculate the density of an element. (At. Mass = 90.3)

[11] Solid State
Chapter: [11] Solid State
Concept: undefined >> undefined
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