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The compound 'A', i.e., butyronitrile is subjected to the Stephen reaction by using SnCl2 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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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 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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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 26
The compounds A and B are the structural isomers of each other with the molecular formula C4H9Br. Compound 'A' is a linear chain and optically inactive while 'B' is optically active. When compound 'A' is treated with aqueous KOH solution, it gives compound 'C' whereas compound 'B' when treated with aqueous KOH solution, it gives compound 'D'. Identify compounds 'C' and 'D'.