The number of structural isomers possible from the molecular formula C3H9N is?

1. 4

2. 5

3. 2

4. 3

Subtopic:  Amines - Preparation & Properties |
 54%
From NCERT
NEET - 2015
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Mark the reaction that does not yield aniline from the given options:

1. Hydrolysis of phenyl isocyanide with an acidic solution
2. Degradation of benzamide with bromine in alkaline solution
3. Reduction of nitrobenzene with H2/Pd in ethanol
4. Treatment of Potassium salt of phthalimide with chlorobenzene followed by hydrolysis in an aqueous NaOH solution
Subtopic:  Amines - Preparation & Properties |
 65%
From NCERT
NEET - 2015
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

What is the name of the following reaction?

1. Friedel-Crafts reaction

2. Perkins reaction

3. Acetylation reaction

4. Schotten-Baumann reaction

Subtopic:  Amines - Preparation & Properties |
 52%
From NCERT
NEET - 2015
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

What results from the electrolytic reduction of nitrobenzene in a highly acidic medium?

1. p-Aminophenol

2. Azoxybenzene

3. Azobenzene

4. Aniline

Subtopic:  Urea & Nitro Compound |
NEET - 2015
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

The product (A) in the below-mentioned reaction is:

 

1.  2.
3. 4.
 

Subtopic:  Diazonium Salts: Preparation, Properties & Uses |
 84%
From NCERT
AIPMT - 2014
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
Links
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The most stable diazonium salt among the following is: 

1. \(CH_{3}N_{2}^{+}X^{-}\)

2. \(C_{6}H_{5}N_{2}^{+}X^{-}\)

3. \(CH_{3}CH_{2}N_{2}^{+}X^{-}\)

4. \(C_{6}H_{5}CH_{2}N_{2}^{+}X^{-}\)

Subtopic:  Diazonium Salts: Preparation, Properties & Uses |
 77%
From NCERT
AIPMT - 2014
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

"A" in the below reaction is:


1. Cu2Cl2
2. H3PO2 and H2O
3. H+ / H2O
4. HgSO4 / H2SO4
Subtopic:  Diazonium Salts: Preparation, Properties & Uses |
 75%
From NCERT
AIPMT - 2013
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Nitrobenzene on reaction with conc. HNO3 /H2SO4 at 80 – 100 ºC forms:

1. 1,3– Dinitrobenzene

2. 1,4–Dinitrobenzene

3. 1,2,4–Trinitrobenzene

4. 1,2–Dinitrobenzene

Subtopic:  Urea & Nitro Compound |
 55%
From NCERT
AIPMT - 2013
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

On hydrolysis of a "compound", two compounds, are obtained. One of which on treatment with sodium nitrite and hydrochloric acid gives a product that does not respond to the iodoform test. The second one reduces Tollen's reagent and Fehling's solution. The "Compound" is:
1. CH3CH2CH2NC
2. CH3CH2CH2CN
3. CH3CH2CH2ON = O
4. CH3CH2CH2CON(CH3)2
Subtopic:  Cyanides & Isocyanides |
NEET - 2013
Please attempt this question first.
Hints

Some reactions of amines are given. Which one is not correct? 
 
1.
2. \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{NH}_2+\mathrm{HNO}_2 \rightarrow \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OH}+\mathrm{N}_2 \)
3. \(\mathrm{CH}_3 \mathrm{NH}_2+\mathrm{C}_6 \mathrm{H}_5 \mathrm{SO}_2 \mathrm{Cl} \rightarrow \mathrm{CH}_3 \mathrm{NHSO}_2 \mathrm{C}_6 \mathrm{H}_5 \)
4. \(\left(\mathrm{CH}_3\right)_2 \mathrm{NH}+\mathrm{NaNO}_2+\mathrm{HCl} \rightarrow\left(\mathrm{CH}_3\right)_2 \mathrm{~N}-\mathrm{N}=\mathrm{O} \)
Subtopic:  Amines - Preparation & Properties |
 54%
NEET - 2013
Please attempt this question first.
Hints