MCQ
A nucleoside on hydrolysis gives
- AA heterocyclic base and orthophosphoric acid
- BAn aldopentose, a heterocyclic base and orthophosphoric acid
- ✓An aldopentose and a heterocyclic base
- DAn aldopentose and orthophosphoric acid
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$A$ and $B$ are :
Major final product $(Z)$ is
The ketone. $(A)$ is
Ketone $A\,\xrightarrow[2\,.\,{{H}_{2}}O]{1.\,{{C}_{2}}{{H}_{5}}MgBr}B$ $\xrightarrow[-\,{{H}_{2}}O]{{{H}_{2}}S{{O}_{4}},\,Heat}C$ $\xrightarrow[2.\,Zn\,,\,{{H}_{2}}O]{1.{{O}_{3}}}$ Figure
| Reactant |
$HIO_4$ consumed |
$HCO_2H$ formed |
$HCHO$ formed |