A→NH3,∆CH3CONH2→NaOBrB→NaNO2/HClCH3OH A And B In ...

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Q. No.Q284:

A→NH3, ∆ CH3CONH2 →NaOBr B→NaNO2/HCl CH3OH

A and B in the above reaction sequence are :

1. CH3CH2OH, and CH3CH2N2Cl2. CH3COOH, and CH3CH2NH23. CH3COOH, and CH3NH24. CH3CH2Br, and CH3NH2

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Upgrade Your PlanUpgrade now and unlock your full question bank experience with daily practice.Buy NowQ285:

Identify compounds A, B, and C

1. A = , B = , C =

2. A = , B = , C =

3. A = , B = , C =

4. A = , B = , C =

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Upgrade Your PlanUpgrade now and unlock your full question bank experience with daily practice.Buy NowQ286:

C6H5NO2→Sn/HCl A→HNO2, 273K C6H5N2Cl→C6H5OH B

A and B in the above reaction sequence are -

1. C6H5N=NH, and C6H62. C6H5NH2, and p-hydroxyazobenzene3. C6H5N=NH, and p-hydroxyazobenzene4. C6H5NH2, and C6H5OH

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Q287:

Consider the following statements related to ammonolysis.

a.	Cleavage of C-X bond by ammonia takes place.
b.	Ammonolysis produces primary, secondary, tertiary amine and quaternary ammonium salt.
c.	In ammonolysis, ammonia is a nucleophile.

The true statement(s) are- 1. a, b 2. a, b, c 3. a, c 4. b

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Upgrade Your PlanUpgrade now and unlock your full question bank experience with daily practice.Buy NowQ288:

The correct statements among the following is :

1.	Coupling reaction is an example of an electrophilic substitution reaction.
2.	Azo dye contains -N=N- linkage.
3.	p-Aminoazobenzene is obtained when diazonium salt reacts with an aniline.
4.	All of the above

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Upgrade Your PlanUpgrade now and unlock your full question bank experience with daily practice.Buy NowQ289:

The incorrect statement among the following is :

1.	Acetylation is an example of a nucleophilic acyl substitution reaction.
2.	In acetylation, amine reacts with an acid chloride, anhydrides, and esters.
3.	Amines react with benzoyl chloride. The reaction is known as the coupling reaction.
4.	Carboxylic acid reacts with amines and gives salts at room temperature.

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Q290:

The incorrect statement among the following is :

1.	pK b of aniline is more than methylamine.
2.	Ethylamine is soluble in water whereas aniline is not.
3.	Aniline undergo Friedel-Crafts reaction
4.	Gabriel phthalimide synthesis is preferred for synthesizing primary amines.

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Identify the compound that will react with Hinsberg's reagent to give a solid which dissolves in alkali.

1.		2.
3.		4.

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The reagent 'R' in the given sequence of a chemical reaction is :

1.	HI	2.	CuCN/KCN
3.	H2O	4.	CH3CH2OH

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Q283:

The molecular formulae of A and B in the following are: \(CH_3CH_2Br\xrightarrow{KCN}CH_3CH_2CN\xrightarrow{LiAlH_4}\\ A\xrightarrow {HNO_2,~0 \ ^{o}C}B\) 1. \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{NH}_{2}, ~\text{and} ~\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{3}\) 2. \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{NH}_{2},~\text{and} ~\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{OH}\) 3. \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}=\mathrm{NH}, ~\text{and} ~\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{OH}\) 4. \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}=\mathrm{NH}, ~\text{and} ~\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{3}\)

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