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Which of the following alkenes can exist as cis-trans isomers?

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Important Questions on Organic Chemistry- Some Basic Principles and Techniques

HARD

For the given compound X, the total number of optically active stereoisomers is ____.

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MEDIUM
(+) 2-Methylbutan-1-ol and (-) 2- Methylbutan-1-ol have different values for which property?
EASY
With respect to the conformers of ethane, which of the following statements is true?
EASY
In assigning R-S configuration which among the following groups has highest priority?
HARD
Among a-d, the complexes that can show geometrical isomerism are:
a PtNH33Cl+
b PtNH3Cl5-
c PtNH32ClNO2
d PtNH34ClBr2+
MEDIUM
The number of stereoisomers possible for the following compound is

CH3-CH=CH-CHOH-CH3
EASY
The number of stereoisomer possible for the following compound is CH3-CH=CH-CH(Br)-CH2-CH3
EASY
The number of chiral carbons in chloramphenicol is ____________.
MEDIUM
Which of the following compounds will exhibit geometrical isomerism?
MEDIUM
The number of chiral carbon centres in penicillin is _________.
EASY
In the following structure, the double bonds are marked as I,II, III and IV

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 Geometrical isomerism is not possible at the site(s):
HARD
Total number of isomers, considering both structural and stereoisomers, of cyclic ethers with the molecular formula C4H8O is ________
EASY
Among the following compounds, geometrical isomerism is exhibited by :
MEDIUM
Which of the following compounds produces an optically inactive compound on hydrogenation? 
MEDIUM
3-Methyl-pent-2-ene on reaction with HBr in presence of peroxide forms an addition product. The number of possible stereoisomers for the product is
MEDIUM
Among the following, the conformation that corresponds to the most stable conformation of meso-butane-2,3-diol is