Find iso-electric point of given amino acid

        CH3CHCO2H
           |
         NH3pKa = 2.2              pKb = 4.4

(1) 3.3

(2) 5.9

(3) 9.6

(4) 11.8

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
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NEET 2023 - Target Batch - Aryan Raj Singh
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Find an iso-electric point of the given amino acid

1. 5.5

2. 6.5

3. 3

4. 5

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
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NEET 2023 - Target Batch - Aryan Raj Singh
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H-CC-H H2SO4HgSO4A (2)H3O1NH3+HCN(B) Product (B) of given reaction is:

(1) Glycine

(2) Alanine

(3) valine

(4) Leucine

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 52%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Which amino acid does not contain a chiral center?

1. Valine

2. Leucine

3. Glycine

4. Iso-leucine

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
 78%
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NEET 2023 - Target Batch - Aryan Raj Singh
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To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following pair gives same phenyl osazone ?

(1) D-Glucose and D-Allose

(2) D-Glucose and D-Alfrose

(3) D-Glucose and D-Mannose

(4) D-Glucose and D-Talose

Subtopic:  Polysaccharides & their Importance |
 83%
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NEET 2023 - Target Batch - Aryan Raj Singh
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Among the three compounds shown below, two yield the same product on reaction with warm HNO3. The exception is:-

(1)

(2)

(3)

(4) None of these

Subtopic:  Carbohydrates - Classification & D-L configuration |
 65%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

For the complex conversion of D-glucose into the corresponding osazone, the minimum number of equivalents of phenyl hydrazine required is :

(1) two

(2) three

(3) four

(4) five

Subtopic:  Polysaccharides & their Importance |
 85%
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Which one of the following compounds will form an osazone derivative ?

1. CH3CH2COCH2OH

2. CH3COCH2CH2OH

3. CH3CH2CHOHCH2OH

4. CH3CH2COCH2OCH3

Subtopic:  Carbohydrates - Classification & D-L configuration |
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

The configuration of the chirality centers in D-threose (shown) are:

(1) 2R, 3R

(2) 2R, 3S

(3) 2S, 3R

(4) 2S, 3S 

Subtopic:  α - Amino Acids, Peptide Bond, Proteins & Structure |
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Which of the following Fischer projection formula is same as D-Glyceraldehyde ?

(1) 

(2) 

(3) 

(4) 

Subtopic:  Carbohydrates - Classification & D-L configuration |
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NEET 2023 - Target Batch - Aryan Raj Singh
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