Among these canonical structures of pyri...

Among these canonical structures of pyridine, the correct order of stability is/are :

(II = IV) gt (I = V)

(I = V) gt (II = IV)

III gt (II = IV)

(II = IV) gt III

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The correct Answer is:

B, D

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Among these canonical structures of pyridiine, the correct order of stability is

`(I = V) gt (II = IV) gt III`

`(II = IV) gt (I = V) gt III`

`(I = V) gt III gt (II = IV)`

`III gt (II = IV) gt (I = V)`

`Al^(+1) gt Al^(+3)`

`Sn^(+2) gt Sn^(+4)`

`Pb^(+2) gt Pb^(+4)`

`Bi^(+3) lt Bi^(+5)`

1,2-dimethycyl cylohexane`" "cis gt trans`

1,3-dimethyl cyclohexane `" "cis gt trans`

Cyclooctene `" "cis gt trans`

Cycoltetradecane `" "cis gt trans`