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 Alkyl cyanide \(R-C \equiv N\) and alkyl isocyanides \(R- \overset{+}{N} \equiv C^-\) are: 

1. Tautomers 2. Metamers
3. Functional isomers 4.  Geometrical isomers

Subtopic:  Structural Isomers |
 77%
From NCERT
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Hydrogen cyanide and hydrogen isocyanide are:

1. tautomers

2. positional isomers

3. metamers

4. chain isomers

Subtopic:  Structural Isomers |
 52%
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The non-staggered form(s) of ethane among the following is-

1. 2.
3. 4. None of these

Subtopic:  Conformational Isomers |
 84%
From NCERT
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The optically active compound among the following is-

1. Glycerine 2. Acetaldehyde
3. Glyceraldehyde 4. Acetone
Subtopic:  Stereo Isomers |
 61%
From NCERT
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Which of the following acids shows stereoisomerism?

1. Oxalic acid            

2. Tartaric acid

3. Acetic acid            

4. Formic acid

Subtopic:  Stereo Isomers |
 76%
From NCERT
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A racemic mixture is a mixture of:

1. meso and its isomers

2. d- and its l-isomers in equal proportions

3. d- and l-isomers in different proportions

4. meso and d-isomers

Subtopic:  Stereo Isomers |
 87%
From NCERT
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Compounds which rotate plane polarised light clockwise direction are known as:

1. Dextrorotatory

2. Laevorotatory

3. Optically inactive compounds

4. Racemic mixture

Subtopic:  Stereo Isomers |
 86%
From NCERT
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Glucose and fructose are-

1. Chain isomers 2. Position isomers
3. Functional isomers 4. Optical isomers

Subtopic:  Stereo Isomers |
 62%
From NCERT
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The optically active compound among the following is-

1. Isobutyric acid

2. beta-Chloropropionic acid

3. Propionic acid

4. alpha-Chloropropionic acid

Subtopic:  Stereo Isomers |
 57%
From NCERT
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Which is incorrect about enantiomorphs?

(1) They rotate the plane of polarized light in different directions

(2) They have mostly identical physical properties

(3) They have same configuration

(4) They have different biological properties

Subtopic:  Stereo Isomers |
 55%
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