MCQ
Glucose in blood can be quantitatively determined with
- ✓Tollen's reagent
- BBenedict's solution
- CAlkaline iodine solution
- DBromine water
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$A.$ $CH _3 COOH$
$B.$ $F _3 C - COOH$
$C.$ $ClCH _2- COOH$
$D.$ $FCH _2- COOH$
$E.$ $BrCH _2- COOH$
Choose the correct answer from the options given below:
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:
| Exp | $[A]$ | $[B]$ | Rate |
| $1$ | $0.012$ | $0.035$ | $0.10$ |
| $2$ | $0.024$ | $0.070$ | $0.80$ |
| $3$ | $0.024$ | $0.035$ | $0.10$ |
| $4$ | $0.012$ | $0.070$ | $0.80$ |
(1)The rate of reaction is independent of the concentration of the nucleophile
(2)The nucleophile attacks the ${C^ - }$ atom on the side of the molecule opposite to the group being displaced
(3)The reaction proceeds with simultaneous bond formation and bond rupture/ cleavage
Amongst the following which of the above were true
(Rounded off to the nearest integer)