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HSC Science (General) 12th Standard Board Exam - Maharashtra State Board Question Bank Solutions

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Answer the following in one sentence.

Name the product obtained by reacting toluene with carbon monoxide and hydrogen chloride in presence of anhydrous aluminium chloride.

[12.01] Aldehydes and Ketones
Chapter: [12.01] Aldehydes and Ketones
Concept: undefined >> undefined

Answer the following in one sentence.

Name the product obtained by reacting toluene with carbon monoxide and hydrogen chloride in presence of anhydrous aluminium chloride.

[12] Aldehydes, Ketones and Carboxylic Acids
Chapter: [12] Aldehydes, Ketones and Carboxylic Acids
Concept: undefined >> undefined

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An ether (A), C5H12O, when heated with excess of hot HI produce two alkyl halides which on hydrolysis form compound (B) and (C), oxidation of (B) gave and acid (D), whereas oxidation of (C) gave a ketone (E). Deduce the structural formula of (A), (B), (C), (D), and (E).

[11] Alcohols, Phenols and Ethers
Chapter: [11] Alcohols, Phenols and Ethers
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Choose the most correct option.

Which one of the following compounds has the highest boiling point?

[13] Amines
Chapter: [13] Amines
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Answer in one sentence.

Arrange the following amines in increasing order of boiling points.

n-propylamine, ethylmethyl amine, trimethylamine.

[13] Amines
Chapter: [13] Amines
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Complete the following statement.

Caprolactam is used to prepare _______.

[15] Introduction to Polymer Chemistry
Chapter: [15] Introduction to Polymer Chemistry
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Complete the following statement.

Novolac is a copolymer of _______ and _______.

[15] Introduction to Polymer Chemistry
Chapter: [15] Introduction to Polymer Chemistry
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Terylene is ______ polymer of terephthalic acid and ethylene glycol

[15] Introduction to Polymer Chemistry
Chapter: [15] Introduction to Polymer Chemistry
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Complete the following statement.

Benzoyl peroxide used in addition polymerisation acts as _______.

[15] Introduction to Polymer Chemistry
Chapter: [15] Introduction to Polymer Chemistry
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Complete the following statement.

Polythene consists of polymerized_______.

[15] Introduction to Polymer Chemistry
Chapter: [15] Introduction to Polymer Chemistry
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Answer the following in one sentence.

Write examples of addition polymers and condensation polymers.

[15] Introduction to Polymer Chemistry
Chapter: [15] Introduction to Polymer Chemistry
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Answer the following

Explain the role of green chemistry.

[16] Green Chemistry and Nanochemistry
Chapter: [16] Green Chemistry and Nanochemistry
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Answer the following in brief.

What are the units of the rate constant?

[6] Chemical Kinetics
Chapter: [6] Chemical Kinetics
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Derive the integrated rate law for the zeroth order reaction. 

[6] Chemical Kinetics
Chapter: [6] Chemical Kinetics
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Answer the following in brief.

Give one example and explain why it is pseudo-first-order.

[6] Chemical Kinetics
Chapter: [6] Chemical Kinetics
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Explain homoleptic and heteroleptic complexes.

[9] Coordination Compounds
Chapter: [9] Coordination Compounds
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Explain the magnetic properties of [Ni(CN4)]2–.

[9] Coordination Compounds
Chapter: [9] Coordination Compounds
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Write the correct decreasing order of boiling point for bromomethane, chloroform, dibromomethane and bromoform.

[10] Halogen Derivatives
Chapter: [10] Halogen Derivatives
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The following crystal systems contain 4 Bravais lattices?

[1] Solid State
Chapter: [1] Solid State
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The unit cell of a simple cubic system has atoms at the eight corners. Hence, number of atoms in a unit cell is ______.

[1] Solid State
Chapter: [1] Solid State
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