Which of the following is not an example of t | vedclass

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Question

(A) Tautomerism involves the migration of a proton $(H^+)$ from one atom to another within the same molecule,accompanied by the relocation of a double

Vedclass · Accepted Answer

$H_2C=CH-CH=O \rightleftharpoons C^+H_2-CH=CH-O^-$

Vedclass · Answer

(A) Tautomerism involves the migration of a proton $(H^+)$ from one atom to another within the same molecule,accompanied by the relocation of a double bond.In option $(a)$,the structures $H_2C=CH-CH=O$ and $C^+H_2-CH=CH-O^-$ represent resonance structures because only electrons are moving,while the positions of the atoms remain the same.Therefore,it is not an example of tautomerism.In options $(b)$,$(c)$,and $(d)$,a hydrogen atom (proton) shifts its position,which is characteristic of tautomerism.

Which of the following is not an example of tautomeric equilibrium?

Similar Questions

Tautomerism is exhibited by

The order of stability of the following tautomeric compounds is:
$(I) CH_2=C(OH)-CH_2-C(=O)-CH_3$
$(II) CH_3-C(=O)-CH_2-C(=O)-CH_3$
$(III) CH_3-C(OH)=CH-C(=O)-CH_3$

Which of the following compounds will show metamerism?

$A$ compound whose molecules are superimposable on their mirror images even though they contain an asymmetric carbon atom is called:

Which of the following pairs of compounds is an example of metamerism?

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