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The correct stability order of the follo...

The correct stability order of the following resonance structure 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

`II gt I gt III gt IV`

D

`III gt I gt IV gt II`

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Give the stability of the following resonance structures (a) H_(2)C = overset(o+)N =overset(Θ)C (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 .

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))

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))

The correct stability order for the following is {:(CH_(3)-CH_(2)-overset(ɵ)(C)H_(2),CH_(3)-overset(ɵ)(C)H-CH_(3),Cl-CH_(2)-overset(ɵ)(C)H_(2),Ph-overset(ɵ)(C)H_(2)),(I,II,III,IV):}

The increasing basicity order of the following compounds is : (a) CH_3CH_2CH_2NH_2" "(b) CH_3CH_2overset(CH_2CH_3)overset(|)(NH) (c) H_(3)C-overset(CH_3)overset(|)N-CH_3" (d) "Ph-overset(CH_3)overset(|)(N)-H

Correct order of stability of the following resonating structure is CH_(2)=underset((a))(CH)-overset(O)overset(||)C-Hharroverset(Theta)(C)H_(2)-underset((b))(CH)=overset(Theta)overset(O)overset(|)(C)-Hharroverset(Theta)overset(* *)(C)H_(2)-underset((c ))(CH)=overset(o+)overset(O)overset(|)(C)-H

Correct order of basic strength is :- (I) CH_(3)-overset(O)overset(||)C-NH_(2) (II) C_(6)H_(5)-NH_(2) (III) H_(2)N-overset(NH)overset(||)C-NH_(2) (IV) C_(6)H_(5)-overset(O)overset(||)C-NHCHO

The deecreasing leaving group order of the following compounds is: i. overset(o-)(C)H_(3) , ii. overset(o-)(N)H_(2) , iii. overset(o-)(O)H , iv. F^(o-)

The decreasing basic order of the following is: i. overset(o-)(C)H_(3) , ii. overset(o-)(N)H_(2) , iii. overset(o-)(O)H , iv. F^(o-)

VMC MODULES ENGLISH-INTRODUCTION TO ORGANIC CHEMISTRY -JEE MAIN ARCHIVE
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  6. The absolute configuration of

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  9. The most polar compound among the following is :

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  10. 29.5 mg of an organic compound containing nitrogen was digested accord...

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  11. Identify the compound that exhibits tautomerism

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  12. The IUPAC name of the following compound is :

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  13. The order of stability of the following carbocations:

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  14. A solution of ( + )-1-chloro-1-phenylethane in toluene racemises slowl...

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  15. A gaseous hydrocarbon gives upon combustion 0.72 g of water and 3.08 g...

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  16. For the estimation of nitrogen 1.4 g of organic compound was diagest b...

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  17. The IUPAC name of the following compound is :

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  18. In Carius method of estimation of halogens, 250 mg of an organic compo...

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  19. An optically active compound

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