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The number of ether isomers possible for C4H10O are :
The number of isomers of the compound with molecular formula C2H2Br2 is
Geometrical isomerism is possible in case of :
Although (b) has positive charge on O (an electronegative element), it is more stable because here every atom has octet of electrons.
The number of optical enantiomorphs of tartaric acid is/are:
How many acyclic structural isomers are possible for the compound with molecular formula C3H3Cl3?
Geometrical isomerism is possible in :