The decreasing leaving group order of the following compounds is:
$i . {N H}_{3}$ $i i . {P H}_{3}$ $i i i . A s H_{3}$ $i v . S b H_{3}$

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

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

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

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

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Solution

The correct option is A $(i v) > (i i i) > (i i) > (i)$
Weaker the base of stronger the acid, stronger is the leaving group.
$S b H_{3} > A s H_{3} > {P H}_{3} > {N H}_{3}$

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Similar questions

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 order of

- I

effect for the given groups is:
(i)

- C N

(ii)

- N O_{2}

(iii)

- N H_{2}

(iv)

- F

Q. The decreasing order of priority for the following functional groups is
I. -COOH
II.

- S O_{3} H

III. -COOR
IV. -COCl

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 leaving group order of the following compounds is:i.NH3 ii.PH3 iii.AsH3 iv.SbH3

The correct option is A (iv)>(iii)>(ii)>(i)Weaker the base of stronger the acid, stronger is the leaving group.SbH3>AsH3>PH3>NH3

The decreasing leaving group order of the following compounds is:
$i . {N H}_{3}$ $i i . {P H}_{3}$ $i i i . A s H_{3}$ $i v . S b H_{3}$

The correct option is A $(i v) > (i i i) > (i i) > (i)$
Weaker the base of stronger the acid, stronger is the leaving group.
$S b H_{3} > A s H_{3} > {P H}_{3} > {N H}_{3}$