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HSC Science (Computer Science) १२ वीं कक्षा - Maharashtra State Board Important Questions

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Why does p-nitrochlorobenzene undergo displacement reactions readily with attack of nucleophilic HOΘ ion?

Appears in 1 question paper
Chapter: [10.02] Haloarenes
Concept: Concept of Haloalkanes and Haloarenes >> Nucleophilic Substitution

Write the environmental effects of DDT.

Appears in 1 question paper
Chapter: [10.02] Haloarenes
Concept: Polyhalogen Compounds

Explain only reaction mechanism for alkaline hydrolysis of tert-butyl bromide

Appears in 1 question paper
Chapter: [10.02] Haloarenes
Concept: Concept of Haloalkanes and Haloarenes >> Electrophilic Substitution Reactions

Give balanced equations for the following reactions:

Acetic anhydride with phosphorus pentachloride.

Appears in 1 question paper
Chapter: [10.02] Haloarenes
Concept: Polyhalogen Compounds

Explain metamerism with suitable examples of ethers

Appears in 1 question paper
Chapter: [11] Alcohols, Phenols and Ethers
Concept: Nomenclature of Alcohols, Phenols and Ethers

Ethylidene dichloride when boiled with aqueous solution of NaOH yields _______.

(A) formaldehyde

(B) acetaldehyde

(C) acetone

(D) ethyl methyl ketone

Appears in 1 question paper
Chapter: [11] Alcohols, Phenols and Ethers
Concept: Nomenclature of Alcohols, Phenols and Ethers

Natalite is a mixture of

(a) diethyl ether and methanol

(b) diethyl ether and ethanol

(c) dimethyl ether and methanol

(d) dimethyl ether and ethanol

Appears in 1 question paper
Chapter: [11] Alcohols, Phenols and Ethers
Concept: Nomenclature of Alcohols, Phenols and Ethers

Which of the following compounds is NOT prepared by the action of alcoholic NI3 on alkyl halide?

(a) CH3NH2

(b) CH3- CH2- NH2

(c) CH3 - CH2 - CH2 - NH2

(d) (CH3)C- NH2

Appears in 1 question paper
Chapter: [11] Alcohols, Phenols and Ethers
Concept: Nomenclature of Alcohols, Phenols and Ethers

Write the structure and IUPAC name of 'methyl-n-propyl ether'.

Appears in 1 question paper
Chapter: [11] Alcohols, Phenols and Ethers
Concept: Nomenclature of Alcohols, Phenols and Ethers

What is the action of hot HI on it?

Appears in 1 question paper
Chapter: [11] Alcohols, Phenols and Ethers
Concept: Nomenclature of Alcohols, Phenols and Ethers

3-Methylbutane-2-ol on heating with HI gives ______

Appears in 1 question paper
Chapter: [11] Alcohols, Phenols and Ethers
Concept: Nomenclature of Alcohols, Phenols and Ethers

How is phenol converted into the following?

picric acid

Appears in 1 question paper
Chapter: [11] Alcohols, Phenols and Ethers
Concept: Nomenclature of Alcohols, Phenols and Ethers

Choose the correct option.

Which of the following substrate will give ionic organic products on reaction?

Appears in 1 question paper
Chapter: [11] Alcohols, Phenols and Ethers
Concept: Classification of Alcohols, Phenols and Ethers

Anisole on heating with concentrated HI gives ______.

Appears in 1 question paper
Chapter: [11] Alcohols, Phenols and Ethers
Concept: Ethers

Choose the correct option.

Which of the following is the least acidic compound?

Appears in 1 question paper
Chapter: [11] Alcohols, Phenols and Ethers
Concept: Classification of Alcohols, Phenols and Ethers

Answer in one sentence/ word.

Write the name of the electrophile used in Kolbe’s Reaction.

Appears in 1 question paper
Chapter: [11] Alcohols, Phenols and Ethers
Concept: Preparation of Alcohols and Phenols

Write two points of difference between the properties of phenol and ethyl alcohol.

Appears in 1 question paper
Chapter: [11] Alcohols, Phenols and Ethers
Concept: Preparation of Alcohols and Phenols

Write structural formula for Methyl vinyl ether.

Appears in 1 question paper
Chapter: [11] Alcohols, Phenols and Ethers
Concept: Nomenclature of Alcohols, Phenols and Ethers

Write structural formula for pentane-1,4-diol.

Appears in 1 question paper
Chapter: [11] Alcohols, Phenols and Ethers
Concept: Nomenclature of Alcohols, Phenols and Ethers

Write structural formulae for Cyclohex-2-en-1-ol.

Appears in 1 question paper
Chapter: [11] Alcohols, Phenols and Ethers
Concept: Nomenclature of Alcohols, Phenols and Ethers
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