Identify the correct set of stereochemical relationships amongst the following monosaccharides I-IV

A. I and II are anomers; III and IV are epimers
B. I and III are epimers; II and IV are anomers
C. I and II are epimers; III and IV are anomers
D. I and III are anomers; I and II are epimers
Answer: Option D
A. CH3C$${\text{O}}_2^ - $$ > CH3O- > C6H5O- > N$${\text{O}}_3^ - $$
B. CH3O- > N$${\text{O}}_3^ - $$ > C6H5O- > CH3C$${\text{O}}_2^ - $$
C. CH3O- > C6H5O- > CH3C$${\text{O}}_2^ - $$ > N$${\text{O}}_3^ - $$
D. C6H5O- > CH3O- > N$${\text{O}}_3^ - $$ > CH3C$${\text{O}}_2^ - $$
The most appropriate sequence of the reactions for carrying out the following conversion
is
A. (i) peracid, (ii) H+, (iii) Zn/dil.HCl
B. (i) Alkaline KMnO4, (ii) NalO4, (iii) N2H4/KOH
C. (i) Alkaline KMnO4, (ii) H+, (iii) Zn/dil.HCl
D. (i) O3/Me2S, (ii) NaOEt, (iii) N2H4/KOH
Conversion of Ph-NH2 into Ph-CN can be accomplished by
A. reaction with sodium cyanide in the presence of nickel catalyst
B. reaction with chloroform and sodium hydroxide
C. diazotisation followed by reaction with CuCN
D. reaction with ethyl formate followed by thermolysis
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