HARD
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Explain the rules for writing fischer projection formula of stereoisomers.

Important Questions on Fundamentals of Organic Chemistry

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Newman projections P,Q,R and S are shown below:

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  Which one of the following options represent identical molecules?

EASY

How many pi bonds and sigma bonds are present in following molecule?

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EASY

Write the most branched alkane hydrocarbon with the given molecular formula. 

C7H16

EASY
The sum of the number of σ and π bonds in 5-oxohexanoic acid is:
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The correct bond line representation of 2, 2, 4-trimethylpentane is
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The number of primary, secondary, tertiary and quaternary carbons in neopentane are respectively
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The maximum number of carbon atoms arranged linearly in a molecule

CH3-CC-CH=CH2

HARD
Indicate the σ and π bonds in the following molecules:
C6H6, C6H12 (cyclic compound), CH2Cl2, CH2=C=CH2, CH3NO2, HCONHCH3