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A mixed ether on heating with dilute $H_{2} {SO}_{4}$ under pressure, gives mixture of two alcohols, viz., methanol and ethanol. In this reaction, $80 %$ yield of each alcohol is obtained. If the mass obtained for ethanol is $1.5 g$ , calculate the mass of the mixed ether used for the reaction.

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Important Questions on Organic Reactions

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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 12 - Organic Reactions>Exercise 1>Q 18

The compound '

A

', i.e., butyronitrile is subjected to the Stephen reaction by using

{SnCl}_{2}

and dilute

HCl

, followed by the acid hydrolysis to give compound '

B

', which is having a buttery odour, and it is used in margarine. The addition of hydrogen cyanide to the compound '

B

', in the presence of a small amount of base, gives compound '

C

'. Identify the compounds '

B

' and '

C

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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 12 - Organic Reactions>Exercise 1>Q 19

The compound

‘ A ’

i.e., propanamide is treated with bromine and alcoholic sodium hydroxide to give compound

‘ B ’

. The acid catalysed addition of valeraldehyde to compound

‘ B ’

yields compound

‘ C ’

which is well known as a 'Schiff base'. What are the structures of compounds

‘ B ’

and

‘ C ’

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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 12 - Organic Reactions>Exercise 1>Q 20

Identify the products $B$ and $C$ .

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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 12 - Organic Reactions>Exercise 1>Q 21

Predict the products in the following reaction:

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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 12 - Organic Reactions>Exercise 1>Q 22

Predict the products in the following reactions:

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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 12 - Organic Reactions>Exercise 1>Q 23

Identify ' $X$ ' and ' $Y$ ' in the following example.

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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 12 - Organic Reactions>Exercise 1>Q 24

2 -

Bromobutane

(A)

is treated with

NaI

in the presence of dry acetone to give compound

' B'

. The compound

' B'

is boiled with moist silver oxide to give compound

' C'

. Identify the compounds

' B'

and

' C'

. How many optical isomers are possible for compound

' C'

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MHT-CET TRIUMPH Chemistry Multiple Choice Questions Part - 2 Based on Std. XI & XII Syllabus of MHT-CET>Chapter 12 - Organic Reactions>Exercise 1>Q 25

Identify $' A'$ and $' B'$ in the following reaction:

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A mixed ether on heating with dilute H2SO4 under pressure, gives mixture of two alcohols, viz., methanol and ethanol. In this reaction, 80% yield of each alcohol is obtained. If the mass obtained for ethanol is 1.5 g, calculate the mass of the mixed ether used for the reaction.

Important Questions on Organic Reactions

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A mixed ether on heating with dilute $H_{2} {SO}_{4}$ under pressure, gives mixture of two alcohols, viz., methanol and ethanol. In this reaction, $80 %$ yield of each alcohol is obtained. If the mass obtained for ethanol is $1.5 g$ , calculate the mass of the mixed ether used for the reaction.