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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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Identify the monomer used to prepare neoprene.

[25] Introduction to Polymer Chemistry
Chapter: [25] Introduction to Polymer Chemistry
Concept: undefined >> undefined

Which of the following reaction does not involve either oxidation or reduction?

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

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Which symbol replaces the unit of atomic mass, amu?

[1] Some Basic Concepts of Chemistry
Chapter: [1] Some Basic Concepts of Chemistry
Concept: undefined >> undefined

Which of the following is most reactive towards the addition reaction of hydrogen cyanide to form the corresponding cyanohydrin?

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

What is the number of different products formed when mixture of ethanal and propanal reacts with aq. NaOH after warming?

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

Which of the following compounds does not undergo a haloform reaction?

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

Calculate the work done during the combustion of 0.138 kg of ethanol, C2H5OH(l) at 300 K.
Given: R = 8.314 Jk−1 mol−1, molar mass of ethanol = 46 g mol−1.

[14] Chemical Thermodynamics
Chapter: [14] Chemical Thermodynamics
Concept: undefined >> undefined

Which of the following is a polymer of enzyme?

[25] Introduction to Polymer Chemistry
Chapter: [25] Introduction to Polymer Chemistry
Concept: undefined >> undefined

Which of the following is not correctly matched?

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

0.05 F electricity is passed through CuSO4 solution. Calculate the mass of Cu produced at cathode? (molar  mass of Cu = 63.5 g mol-1)

[1] Some Basic Concepts of Chemistry
Chapter: [1] Some Basic Concepts of Chemistry
Concept: undefined >> undefined

Identify the reaction in which carbonyl group of aldehydes and ketones is reduced to methylene group on treatment with zinc-amalgam and cone. HCI.

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

Aldehydes are readily oxidised to yield carboxylic acids but ketones are inert to oxidation. Which is the most likely explanation regarding this difference in reactivity?

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

Which of the foolowing polymer is used in the manufacture of insulators.

[25] Introduction to Polymer Chemistry
Chapter: [25] Introduction to Polymer Chemistry
Concept: undefined >> undefined

____________ is NOT a simple protein.

[24] Biomolecules
Chapter: [24] Biomolecules
Concept: undefined >> undefined

Nucleotide differs from a nucleoside as it has ______

[24] Biomolecules
Chapter: [24] Biomolecules
Concept: undefined >> undefined

Choose the WRONG statement from the following.

[24] Biomolecules
Chapter: [24] Biomolecules
Concept: undefined >> undefined

The following compound is a/an ____________.

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

Which of the following is NOT an actinoid?

[18] Transition and Inner Transition Elements
Chapter: [18] Transition and Inner Transition Elements
Concept: undefined >> undefined

In the reaction,

\[\ce{CH3COOH ->[SOCl2] X ->[Sodium salt of carboxylic acid] Y}\].

The compound Y was found to be a mixed acid anhydride. Thus, the sodium salt of carboxylic acid used CANNOT be ____________.

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

The optically inactive amino acid is ____________.

[24] Biomolecules
Chapter: [24] Biomolecules
Concept: undefined >> undefined
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