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The most stable resonating structure of `CH_3-underset(..)ddotO-CH=CH_2` is

A

`H_3C-underset(..)overset(ddot)O-overset(Theta)CH-overset(o+)CH_2`

B

`H_3C-underset(..)overset(o+)O=CH-oversetoverset(Theta)(ddot)CH_2`

C

`H_3C-underset(..)overset(Theta)overset(ddot)O-CH-overset(o+)CH_2`

D

`H_3C-underset(..)overset(ddot)O-overset(o+)CH-overset(Theta)CH_2`

Text Solution

Verified by Experts

The correct Answer is:
B
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The most stable resonating structure of CH_(3)-underset(* *)overset(* *)O=CH is :

The least and most stable resonating structure respectively are: (1) CH_(2)=CH-CH-CH-C-CH_(3) (2) CH_(2)=CH-CH-CH=C-CH_(3)O^(Theta) (3) CH_(2)-CH-CH=CH-C-CH_(3) (4) CH_(2)=CH-CH=CH-C-CH_(3) (А) 1,4 (В) 2,3 (С) 4,1

Which will be the least stable resonation structure: (A) CH_(2)=CH-CH^(+)-CH^(-)-NH_(2) (B) CH_(2)-CH^(+)-CH=CH-NH_(2) (C) CH_(3)-CH=CH-CH_(2)-NH_(2)^+

Which is not valid resonating structure of H_(2)C=CH-CH=CH-O-CH_(3)

The IUPAC name of the following structure is CH_3-underset(underset(CH_3)|)(CH_2)

the compound which gives the most stable carbonium ion on dehydration (1). CH_(3)-underset(CH_(3))underset(|)(C)H-CH_(2)OH (2). CH_(3)underset(CH_(3))underset(|)overset(CH_(3))overset(|)(C)-OH (3). CH_(3)CH_(2)CH_(2)CH_(2)OH (4). CH_(3)-underset(OH)underset(|)(C)H-CH_(2)CH_(3)

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