MEDIUM
Earn 100

Draw the optical isomers of lactic acid.

Important Questions on Halogen Derivatives

MEDIUM
The major product obtained in the following reaction is,

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EASY
Which of the following compounds shall not produce propene by reaction with HBr followed by elimination or direct only elimination reaction?
MEDIUM
In case of R, S configuration the group having highest priority is-
EASY
Two possible stereo-structures of CH3CHOHCOOH , which are optically active, are called:
HARD
The major products A and B for the following reactions are, respectively:
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MEDIUM
Which of the following will most readily give the dehydrohalogenation product?
EASY
For the following reactions:
a. CH3CH2CH2Br + KOH CH3CH=CH2+ KBr+ H2O 
b.
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c.
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Which of the following statements is correct?
MEDIUM
2- chloro - 2 - methylpentane on reaction with sodium methoxide in methanol yields:

(i) Question Image

(ii) Question Image

(iii) Question Image
EASY
In assigning R-S configuration which among the following groups has highest priority?
HARD
An organic compound A C4H9Cl on reaction with Na/diethyl ether gives a hydrocarbon, which on monochlorination gives only one chloro derivative, then A is:
MEDIUM

Heating of 2-chloro-1-phenylbutane with EtOK/EtOH gives X as the major product. Reaction X with Hg(OAc)2/H2O followed by NaBH4 gives Y as the major product. Y is:

MEDIUM
The major product Y in the following reaction is:

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HARD
What is the R and S configuration for each stereogenic centre in this sugar from top to bottom?

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MEDIUM
Choose the correct option(s) that give(s) an aromatic compound as the major product.