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The correct stability order of the follo...

The correct stability order of the following resonance structures is
`(I)H_(2)C = overset(+)N = overset(-)N" "(II)H_(2)overset(+)C - N = overset(-)N`
`(III)H_(2)overset(-)C - overset(+)N = N" "(IV)H_(2)overset(-)C - N = overset(+)N`

A

i gt ii gt iv gt iii

B

i gt iii gt ii gt iv

C

i gt ii gt iiigt iv

D

iii gt i gt iv gt ii

Text Solution

Verified by Experts

The correct Answer is:
B
For a stable resonating structure
a) All atoms should posess octet
b) more e-ve atom should bear - ve charge
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Give the stability of the following resonance structures (a) H_(2)C = overset(o+)N =overset(Θ) (b) H_(2)overset(o+)C -N =overset(Θ)N (c ) H_(2)overset(Θ)C -overset(o+)N -= N (d) H_(2) overset(Θ)C - N = overset(o+)N .

The correct order of stabilities of the following resonance structures is : (I) H_2 C = overset (oplus) N = overset (Ө) N (II) H_2 overset (oplus) C - N = overset (Ө) N (III) H_2 overset (Ө) C - overset (oplus) N -= N (IV) H_2 overset (Ө) C - N = overset (oplus) N .

The correct stability order of the following resonance structures is : x H_(2)C=overset(o+)underset((I))N=overset(Ɵ)N H_(2)overset(o+)Cunderset((II))-N=overset(Ɵ)N H_(2)overset(Ɵ)C-underset((III))overset(o+)N-=N H_(2)overset(Ɵ)C-underset((IV))N=overset(o+)N

The correct stability order of the following resonance structrue is : H_2 C = overset (+)(N) = overline(N) H_2 overset (+)C = (N) = overline(N) H_2overline( C) - overset (+) (N) -= N H_2overline( C) - overset (+) (N) -= N .

The correct stability order of the following resonance structure is: {:(CH_(2)=C=O,H_(2)overset(-)(C)-overset(+)(C)=O,H_(2)O=overset(+)(C)-overset(-)(O) , H_(2)overset(-)(C)-C-=O),((I),(II),(III),"(IV)"):}

Arrange the following resonating structures in order of increasing stability underset((I))(CH_(2)=overset(+)(N)=overset(-)(N))" "underset((II))(H_(2)overset(+)(C)=N=overset(-)(N))" "underset((III))(H_(2)overset(-)(C)-overset(+)(N) equiv N)" "underset((IV))(H_(2) overset(-)(C)-N=overset(+)(N))

NARAYNA-CHEMICAL BONDING AND MOLECULAR STRUCTURE-EXERCISE -4
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