How many bromo products are formed when ethane is reacted with excess of Br2 on heating?
Match items of Row I with those of Row II:
[(i)] $\alpha$-D-(-)-Fructofuranose [(ii)] $\beta$-D-(-)-Fructofuranose [(iii)] $\alpha$-D-(+)-Glucopyranose [(iv)] $\beta$-D-(+)-Glucopyranose Correct Match:
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R Assertion (A) : Benzene is more stable than hypothetical cyclohexatriene Reason (R) : The delocalised π-electrons cloud is attracted more strongly by the nuclei of the carbon atoms than the electron cloud localised between two carbon atoms.In the light of the above statements, choose the correct answer from the options given below
The correct sequence of reagents for the preparation of Q and R is: