MCQ
Which of the following is not linear
- A$C{O_2}$
- ✓$Cl{O_2}$
- C$I_3^ - $
- DNone of these
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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:

[Given : $\mathrm{K}_{\mathrm{f}}=1.86 \,\mathrm{~K} \,\mathrm{~kg} \,\mathrm{~mol}^{-1} ;$ Density of water $=$ $1.00 \,\mathrm{~g}\, \mathrm{~cm}^{-3} ;$ Freezing point of water $\left.=273.15\, \mathrm{~K}\right]$