The decreasing fugacity order of the following compounds is:

$i . ⊖ C N$ $i i . ⊖ O H$ $i i i . ⊖ O M e$ $i v ._{3}$ $v . H^{⊖}$

(v) > (i v) > (i i i) > (i i) > (i)

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(i) > (i i) > (i i i) > (i v) > (v)

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(i v) > (v) > (i i i) > (i i) > (i)

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(i) > (i i i) > (i i) > (v) > (i v)

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Solution

The correct option is D $(i) > (i i i) > (i i) > (v) > (i v)$
The leaving group should be able to stabilize the additional electron density that results from bond heterolysis. A good leaving group must be able to stabilize this negative charge.

Considering the stability of anions the order of fugacity is $C N^{-} > O M e^{-} > O H^{-} > H^{-} > C H_{3}^{-}$

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Similar questions

Q. The decreasing nucleophilic order of the following compounds is:

i . ⊖ C N

i i . ⊖ O H

i i i . ⊖ O M e

i v ._{3}

v . H^{⊖}

Mark the correct order of decreasing acid strength of the following compounds.

(a) V > IV > II > I > III
(b) II > IV > I > III > V
(c) IV > V > III > II > I
(d) V > IV > III > II > I

Q. The decreasing basic order of the following is:

i . ⊖ C N

i i . ⊖ O H

i i i . ⊖ O M e

i v ._{3}

v . H^{⊖}

Q. Arrange the following alcohols in the decreasing order of their ease of dehydration with

H_{2} S O_{4}

Arrange the following carbocations in decreasing order of stability

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The decreasing fugacity order of the following compounds is:i.⊖CN ii.⊖OH iii.⊖OMe iv.⊖CH3 v.H⊖

The decreasing fugacity order of the following compounds is:

$i . ⊖ C N$ $i i . ⊖ O H$ $i i i . ⊖ O M e$ $i v ._{3}$ $v . H^{⊖}$