Organic Chemistry Questions and Answers – Preparation of Amines – 1 | Organic Chemistry Multiple Choice Questions and Answers

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Questions
1 The amine formed from an amide by means of bromine and alkali has how many number of carbon atoms?
A Same number of C atoms as that of amide
B One less C atom than that of amide
C One more C atom than that of amide
D Two more C atoms than that of amide

Answer:One less C atom than that of amide
2 The compound X is which of the following?

Organic Chemistry

A CH3CONH2
B CH3CH2NH2
C C2H6
D CH3NHCH3

Answer: CH3CH2NH2
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3 Ethylamine can be prepared by the action of bromine and caustic potash on which compound?
A Acetamide
B Propionamide
C Formamide
D Methyl cyanide

Answer: Propionamide
4 Reduction of nitroalkanes yields which compound?
A Acid
B Alcohol
C Amine
D Diazo compounds

Answer: Alcohol
5 What is the name of the reaction when acetamide changes into methylamine?
A Hofmann bromamide reaction
B Hofmann reaction
C Friedel-Craft’s reaction
D Hinsberg reaction

Answer: Hofmann bromamide reaction
6 When methyl iodide is heated with ammonia, what is the product obtained?
A Methylamine
B Dimethylamine
C Trimethylamine
D A mixture of Methylamine, Dimethylamine & Trimethylamine

Answer:A mixture of Methylamine, Dimethylamine & Trimethylamine
7 The Hinsberg’s method is used for which of the following?
A Preparation of primary amines
B Preparation of secondary amines
C Preparation of tertiary amines
D Separation of amine mixtures

Answer:Separation of amine mixtures
8 Which one of the following compound gives a secondary amine on reduction?
A Nitromethane
B Nitrobenzene
C Methyl isocyanide
D Methyl cyanide

Answer: Methyl isocyanide
9 In the given reaction what is the X?

Organic Chemistry

A Isonitrile
B Nitrile
C Nitrite
D Oxime

Answer: Nitrile
10 When ethanol is mixed with ammonia and passed over alumina the compound formed is which compound?
A C2H5NH2
B C2H4
C C2H5OC2H5
D CH3OCH3

Answer: C2H5NH2

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