The colour of the solution that gets formed by mixing sodium nitroprusside to an alkaline solution of sulfide ions, is-

1. Red 2. Blue
3. Brown 4. Purple

Subtopic:  Quantitative Analysis of Organic Compounds |
From NCERT
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

In Kjeldahl's method, the nitrogen present is estimated as-

1. N2 

2. NH3

3. NO2 

4 None of the above

Subtopic:  Quantitative Analysis of Organic Compounds |
 64%
From NCERT
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 Prussian blue colour obtained during the test of nitrogen by Lassaigne's test is due to the formation of-

1. Fe4[Fe(CN)6]3 2. Na3[Fe(CN)6]
3. Fe(CN)3  4. Na4[Fe(CN)5NOS]
Subtopic:  Qualitative Analysis of Organic Compounds |
 73%
From NCERT
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

A compound that does not give a positive test in Lassaigne’s test for nitrogen is:

1. Urea

2. Hydrazine

3. Azobenzene

4. Phenylhydrazine

Subtopic:  Qualitative Analysis of Organic Compounds |
From NCERT
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

The IUPAC name of the compound is:

1. 2-Methyl-6-oxohex-3-enamide

2. 6-Keto-2-methyl hexanamide

3. 2-Carbamoylhexanal

4. 2-Carbamoylex-3-enal

Subtopic:  Nomenclature |
 66%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

The correct IUPAC name of the given compound is:



1. Methyl 2-ethylbutanoate

2. 1-Methoxy-2-ethylbutanone

3. 3-Methoxycarbonylpentane

4. 1-methoxy-2-ethylbutanal

Subtopic:  Nomenclature |
 62%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

The IUPAC name of CH3-CH=CH-COOH is-

1. But-1-en-4-oic acid

2. 1-Hydroxybut-2-en-1-one

3. But-2-en-1-oic acid

4. But-2-en-4-oic acid

Subtopic:  Nomenclature |
 92%
From NCERT
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

The IUPAC name of the below given compound is: 
 

1. Ethyl 2-methylprop-2-enoate

2. Ethyl 2-methylprop-1-enoate

3. 1-Ethoxy 2-methylprop-2-enoate

4. 1-Ethoxy 2-methylprop-2-enal

Subtopic:  Nomenclature |
 56%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.

The IUPAC name of              CH3  CH3
              |         |
CH3CHCHCH2NH2 is-

1. 2,3-Dimethylbutan-4-amine

2. 2,4-Dimethylbutan-1-amine

3. 2,4-Dimethylbutan-4-amine

4. 2,3-Dimethylbutan-1-amine

Subtopic:  Nomenclature |
 87%
From NCERT
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

The IUPAC name of  

​is-

 1. 3-(Methylethyl)pentan-2-one

2. 3-(Methylethyl)pentan-4-one

3. 3-Ethyl-4-Methylpentan-2-one

4. 3-Ethyl-2-Methylethyl-4-one

 

Subtopic:  Nomenclature |
 85%
From NCERT
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