MCQ
The correct formula of permanganic acid is
- ✓$HMn{O_4}$
- B$HMn{O_5}$
- C${H_2}Mn{O_4}$
- D${H_2}Mn{O_3}$
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(image) $\xrightarrow{{B{r_3} + C{H_3} - COOH}}A\xrightarrow{{Alc.KOH}}B$ (Product with six membered ring) $\xrightarrow[{(2)\,{H_2}O}]{{(1)\,C{H_3} - MgBr}}C\xrightarrow{{{H^ \oplus } + \Delta }}D\xrightarrow{{HBr(1\,mole)}}E$

Statement $I :$ Ethyl pent$-4-$yn$-$oate on reaction with $\mathrm{CH}_{3} \mathrm{MgBr}$ gives a $3^{\circ}$-alcohol.
Statement $II :$ In this reaction one mole of ethyl pent$-4-$yn$-$oate utilizes two moles of $\mathrm{CH}_{3} \mathrm{MgBr}$.
In the light of the above statements, choose the most appropriate answer from the options given below: