11th Chemistry Weekly Test - 2 ( Haloalkanes and Haloarenes )

MABS Institution

11th Chemistry Weekly Test - 2 ( Haloalkanes and Haloarenes )-Aug 2020

Time : 1.30 Hours

Part - A

Generic 2 - Answer All Question

How does chlorobenzene react with sodium in the presence of ether? What is the name of the reaction?

How does HBr react with propene?

CCl₄> CHCl₃ > CH₂Cl₂> CH₃Cl is the decreasing order of boiling point in haloalkanes. Give reason.

What happens when HI reacts with tert. butyl alcohol?

What is Grignard reagent? How is it prepared from ethyl bromide?

Explain the mechanism of S_N¹ reaction by highlighting the stereochemistry behind it

Write the structural formula of the following compounds:
(i) 2-Chloro-2-Methylpropane
(ii) 1-Bromo-2, 2-Dimethylpropane

How will you get acetone from methyl magnesium iodide?

Explain Williamson's synthesis.

Why chlorination of methane is not possible in dark?

Part - B

Generic 5 - Answer All Question

Predict the product:
(i) Chloroform + O₂ \(\longrightarrow \) ?
(ii) CCl₄ + H₂O \(\longrightarrow \)?
(iv)
(iv) \({ CH }_{ 3 }-CH{ Cl }_{ 2 }+KOH\overset { { C }_{ 2 }{ H }_{ 5 }{ OH }_{ 3 } }{ \longrightarrow } \)?
(v) Ethylene glycol + 2PCI₅ \(\longrightarrow \)?

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

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.

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.

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11th Chemistry Weekly Test - 2 ( Haloalkanes and Haloarenes )

MABS Institution

11th Chemistry Weekly Test - 2 ( Haloalkanes and Haloarenes )-Aug 2020

Part - A

Generic 2 - Answer All Question

How does chlorobenzene react with sodium in the presence of ether? What is the name of the reaction?

How does HBr react with propene?

CCl4> CHCl3 > CH2Cl2 > CH3Cl is the decreasing order of boiling point in haloalkanes. Give reason.

What happens when HI reacts with tert. butyl alcohol?

What is Grignard reagent? How is it prepared from ethyl bromide?

Explain the mechanism of SN1 reaction by highlighting the stereochemistry behind it

Write the structural formula of the following compounds: (i) 2-Chloro-2-Methylpropane (ii) 1-Bromo-2, 2-Dimethylpropane

How will you get acetone from methyl magnesium iodide?

Explain Williamson's synthesis.

Why chlorination of methane is not possible in dark?

Part - B

Generic 5 - Answer All Question

Predict the product: (i) Chloroform + O2 \(\longrightarrow \) ? (ii) CCl4 + H2O \(\longrightarrow \)? (iv) (iv) \({ CH }_{ 3 }-CH{ Cl }_{ 2 }+KOH\overset { { C }_{ 2 }{ H }_{ 5 }{ OH }_{ 3 } }{ \longrightarrow } \)? (v) Ethylene glycol + 2PCI5 \(\longrightarrow \)?

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

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.

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CCl₄> CHCl₃ > CH₂Cl₂> CH₃Cl is the decreasing order of boiling point in haloalkanes. Give reason.

Explain the mechanism of S_N¹ reaction by highlighting the stereochemistry behind it

Write the structural formula of the following compounds:
(i) 2-Chloro-2-Methylpropane
(ii) 1-Bromo-2, 2-Dimethylpropane

Predict the product:
(i) Chloroform + O₂ \(\longrightarrow \) ?
(ii) CCl₄ + H₂O \(\longrightarrow \)?
(iv)
(iv) \({ CH }_{ 3 }-CH{ Cl }_{ 2 }+KOH\overset { { C }_{ 2 }{ H }_{ 5 }{ OH }_{ 3 } }{ \longrightarrow } \)?
(v) Ethylene glycol + 2PCI₅ \(\longrightarrow \)?

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

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