The C-H bond distance is longer in -

1.  C2H2

2.  C2H4

3.  C2H6

4.  C2H2Br2

Subtopic:  Hybridisation & Structure of Carbon Compounds |
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The total number of isomers of C4H8 are-

1.  8

2.  7

3.  6

4.  5

Subtopic:  Structural Isomers |
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The optically active compound among the following is-

1. Butane

2. 2-Methyl pentane

3. 4-Methyl pentane

4. 3-Methyl hexane

Subtopic:  Stereo Isomers |
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The R and S enantiomers of an optically active compound differ in-

1. Their optical rotation of plane-polarized light

2. Their reactivity with chiral reagents

3. Their solubility in achiral reagents

4. Their melting points

Subtopic:  Conformational Isomers |
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The number of primary amines of the formula C4H11N are :

1. 1

2. 3

3. 4

4. 5

Subtopic:  Structural Isomers |
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But-2-ene exhibits cis-trans isomerism due to-

1. Rotation around C3-C4 sigma bond

2. Rotation around  C1-C2 bond

3. Restricted rotation around C=C bond

4. Rotation around  C2-C3 double bond

Subtopic:  Stereo Isomers |
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The C-C bond length of the following molecules are in the order-

1. C2H6>C2H4>C6H6>C2H2

2. C2H2<C2H4<C6H6<C2H6

3. C2H6>C2H2>C6H6>C2H4

4. C2H4>C2H6>C2H2>C6H6

Subtopic:  Hybridisation & Structure of Carbon Compounds |
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An isomer of ethanol is-

1. Methanol

2. Diethyl ether

3. Acetone

4. Dimethyl ether

Subtopic:  Structural Isomers |
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The maximum number of carbon atoms arranged linearly in the molecule,  CH3-CC-CH=CH2, are -

1. 3

2. 4

3. 5

4. 6

Subtopic:  Hybridisation & Structure of Carbon Compounds |
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The IUPAC name of the above mentioned compound is - 

1. p-Phenyl diphenyl

2. p-1-biphenyl benzene

3.  1,1',4',1''-terphenyl

4. Terphenyl

Subtopic:  Nomenclature |
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