MCQ
Give the $\text{IUPAC}$ name of the above compound.

- A$2-$Bromo $3-$methyl butyric acid.
- B$2-$Bromo $4-$formyl butane.
- ✓$3-$Bromo $2-$methyl butanoic acid.
- DNone of the above.

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$(I)\,\,Zn\,+\,Conc. HNO_3\,(hot) \to Zn(NO_3)_2\,+\,X\,+\,H_2O$
$(II)\,\,Zn\,+\,dil. HNO_3\,(Cold) \to Zn(NO_3)_2\,+\,Y\,+\,H_2O$
Compound $X$ and $Y$ are respectively

($en=$ ethylenediamine)