11th Chemistry Monthly Test - 4 ( Haloalkanes and Haloarenes )

MABS Institution

11th Chemistry Monthly Test - 4 ( Haloalkanes and Haloarenes )-Aug 2020

Time : 2.00 Hours

Part - A

Generic 5 - Answer All Question

Give a detailed account on the different mechanisms followed in elimination reaction.

Explain SN2mechanism with suitable examples.

An organic compound u24b6 of molecular formula CH₂O reacts with methyl magnesium iodide followed by acid hydrolysis to give u24b7 of molecular formula C₂H₆0. u24b7 on reaction with PCIs gives ©. ©on reaction with alcoholic KOH gives u24b9an alkene as the product. Identify u24b6, u24b7 ©, u24b9 and explain the reactions involved.

Explain the classification of organic compounds with example.

An organic compound u24b6 of molecular formula C₃H₆ react with HBr in the presence of peroxide to give C₃H₇Br as u24b7, u24b7on reaction with aqueous KOH gives u24b8 with molecular formula C₃H₅O. Identify u24b6,u24b7 and u24b8

Two isomers of formula C₄H₉ Br are u24b6 and B, u24b6 on reaction with alcoholic KOH gives of molecular formula C₄H₈by E₁ reaction. .u24b7 on reaction with alcoholic KOH gives u24b9 and u24ba as products by Saytzeff's rule. Identify A, B, C, D, E

The simplest aromatic hydrocarbon C₆H₆ reactsu24b7 on treatment with sodium hydroxide will (C₆H₅OH), Phenol, © as the product. Also Cl₂ to giveu24b6 which on reaction with sodium hydroxide gives u24b7.u24b7 of molecular formula C₆H₆O. @ on treatment with ammonia will give C₆H₇N as @. Identify u24b6, u24b7, ©, and explain the reactions involved.

Answer the following.
(i) Predict the major product formed when HCI is added to iso-butylene,
(ii) What happens when CH3-Br is treated with KCN?
(iii) Identify the chiral molecule in the following pair.

(iv) Arrange the compounds in the order of I reactivity towards S_N2 displacement. 2-Bromo-2-methylbutane, I-Bromopentane, 2-Bromo pentane.

How will you convert t-butyl bromide into t-butyl alcohol? Explain the process through the mechanism in stepwise manner.

A simple aromatic hydrocarbon u24b6 reacts with Cl₂ to give @ of molecular formula C₆H₅Cl.u24b7 on reaction with ethyl chloride along with sodium metal gives © of formula C₈H₁₀. © alone reacts with Na metal in the presence of ether to give © C₁₂H₁₀. Identify u24b6, u24b7, © & u24b9

Describe electrophilic substitution reaction of chlorobenzene with equations.

Starting from methyl magnesium iodide, how would you prepare
(i) Ethyl methyl ether
(ii) methyl cyanide
(iii) methane

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11th Chemistry Monthly Test - 4 ( Haloalkanes and Haloarenes )

MABS Institution

11th Chemistry Monthly Test - 4 ( Haloalkanes and Haloarenes )-Aug 2020

Part - A

Generic 5 - Answer All Question

Give a detailed account on the different mechanisms followed in elimination reaction.

Explain SN2mechanism with suitable examples.

Explain the classification of organic compounds with example.

An organic compound u24b6 of molecular formula C3H6 react with HBr in the presence of peroxide to give C3H7Br as u24b7, u24b7on reaction with aqueous KOH gives u24b8 with molecular formula C3H5O. Identify u24b6,u24b7 and u24b8

Two isomers of formula C4H9 Br are u24b6 and B, u24b6 on reaction with alcoholic KOH gives of molecular formula C4H8by E1 reaction. .u24b7 on reaction with alcoholic KOH gives u24b9 and u24ba as products by Saytzeff's rule. Identify A, B, C, D, E

How will you convert t-butyl bromide into t-butyl alcohol? Explain the process through the mechanism in stepwise manner.

A simple aromatic hydrocarbon u24b6 reacts with Cl2 to give @ of molecular formula C6H5Cl.u24b7 on reaction with ethyl chloride along with sodium metal gives © of formula C8H10. © alone reacts with Na metal in the presence of ether to give © C12H10. Identify u24b6, u24b7, © & u24b9

Describe electrophilic substitution reaction of chlorobenzene with equations.

Starting from methyl magnesium iodide, how would you prepare (i) Ethyl methyl ether (ii) methyl cyanide (iii) methane

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An organic compound u24b6 of molecular formula C₃H₆ react with HBr in the presence of peroxide to give C₃H₇Br as u24b7, u24b7on reaction with aqueous KOH gives u24b8 with molecular formula C₃H₅O. Identify u24b6,u24b7 and u24b8

Two isomers of formula C₄H₉ Br are u24b6 and B, u24b6 on reaction with alcoholic KOH gives of molecular formula C₄H₈by E₁ reaction. .u24b7 on reaction with alcoholic KOH gives u24b9 and u24ba as products by Saytzeff's rule. Identify A, B, C, D, E

Starting from methyl magnesium iodide, how would you prepare
(i) Ethyl methyl ether
(ii) methyl cyanide
(iii) methane