The correct acidic strength order of acidic hydrogen x, y and z is respectively.

  • x > z > y

  • x > y > z

  • z > y > x

  • y > z > x

The correct basic strength order is:

  • I > II > IV > III

  • IV > III > II > I

  • III > II > IV > I

  • III > IV > II > I

Which of the following carbocation will undergo rearrangement ?

2.

  •   

  • 2

  • 3. CH3-C  |CH3H-C⊕=O

  •  CH3-NH-C⊕H-C|CH2H-CH3

The colour of the solution that gets formed by mixing sodium nitroprusside to an alkaline solution of sulfide ions, is-

 

  • Red

  • Blue

  • Brown

  • Purple

In Kjeldahl's method, the nitrogen present is estimated as-

  • N2 

  • NH3

  • NO2 

  • 4 None of the above

The Prussian blue colour obtained during the test of nitrogen by Lassaigne's test is due to the formation of-

  • Fe4[Fe(CN)6]3

  • Na3[Fe(CN)6]

  • Fe(CN)3 

  • Na4[Fe(CN)5NOS]

A compound that does not give a positive test in Lassaigne’s test for nitrogen is:-

  • Urea

  • Hydrazine

  • Azobenzene

  • Phenylhydrazine

The IUPAC name of the compound is:

  • 2-Methyl-6-oxohex-3-enamide

  • 6-Keto-2-methyl hexanamide

  • 2-Carbamoylhexanal

  • 2-Carbamoylex-3-enal

The IUPAC name of                                   O                                 ||CH3-CH2-CH-C-OCH3                         |                        C2H5                   is -

  • Methyl 2-ethylbutanoate

  • 1-Methoxy-2-ethylbutanone

  • 3-Methoxycarbonylpentane

  • 1-methoxy-2-ethylbutanal

The IUPAC name of CH3-CH=CH-COOH is-

  • But-1-en-4-oic acid

  • 1-Hydroxybut-2-en-1-one

  • But-2-en-1-oic acid

  • But-2-en-4-oic acid

The IUPAC name of  is-

  • Ethyl 2-methylprop-2-enoate

  • Ethyl 2-methylprop-1-enoate

  • 1-Ethoxy 2-methylprop-2-enoate

  • 1-Ethoxy 2-methylprop-2-enal

The sigma bond energy of C-H bond in C2H6 is:

  • 99 kcal

  • 140 kcal

  • 200 kcal

  • 60 kcal

Which of the following is strongest nucleophile?

  • Br-

  •  O..H

  •  C..N

  •  C2H5O..

In hyperconjugation, the atom involved is:

  • βΗ atom

  • α-H atom

  • γ-H atom

  • all of these

The stability of 2,3-dimethyl but-2-ene is more than 2-butene. This can be explained in terms of:

  • resonance

  • hyperconjugation

  • electromeric effect

  • inductive effect

Who pointed out the concept of hyperconjugation?

 

  • Nathan and Baker

  • Mulliken

  • Kekule

  • Kolbe

(CH3)4N+ is neither an electrophile, nor a nucleophile because it:

  • does not have electron pair for donation as well as cannot attract electron pair

  • neither has electron pair available for donation nor can accommodate electron since all shells of N are fully occupied.

  • can act as Lewis acid and base

  • none of the above

The IUPAC name of              CH3  CH3              |         |CH3—CH—CH—CH2NH2 is-

  • 2,3-Dimethylbutan-4-amine

  • 2,4-Dimethylbutan-1-amine

  • 2,4-Dimethylbutan-4-amine

  • 2,3-Dimethylbutan-1-amine

The IUPAC name of  

​is-

 

  •   3-(Methylethyl)pentan-2-one

  • 3-(Methylethyl)pentan-4-one

  • 3-Ethyl-4-Methylpentan-2-one

  • 3-Ethyl-2-Methylethyl-4-one

The IUPAC name of  ​  is-

  • 2-Phenylpropan-1-ol

  • 2-Phenylpropan-3-ol

  • 1-(2-Hydroxy-1-methylethyl)benzene

  • 1-((Hydroxymethyl)ethyl)benzene

The IUPAC name of  is:

  • 3-Iodo-4,5,5-trimethylhexane

  • 4-Iodo-1,1,3-trimethylhexane

  • 4-Iodo-2,2-trimethylhexane

  • 4-Iodo-2,2,3-trimethylhexane

The IUPAC name of   is:

 

  • 2-Phenylpropan-3-al

  • Formylethylbenzene

  • 2-Phenylpropanal

  • Ethylformylbenzene

The IUPAC name of  is-  

  • 2-Methylbutan-3-one

  • 3-Methylbutan-2-al

  • 2-Methylbutan-3-al

  • 3-Methylbutan-2-one

The IUPAC name of   is-

  • Butane-2,3-dial

  • Butane-1,3-dione

  • Butane-2,3-dione

  • 1, 2-Dimethylethanedione

The IUPAC name of CH2=CH-CH=CH2 is-

  • Butane

  • Buta-1,3-diene

  • Butane-1,3-diene

  • None of the above

The IUPAC name of Glutaric acid is:

  • Pentane-1, 5-dioic acid

  • Pentene-1, 5-dicarboxylic acid

  • Propane-1, 3-dioic acid

  • None of the above

The IUPAC name of        ​    is:

        

  • propene-1, 3-dial 

  • Propene-1, 3-dicarbaldehyde

  • Pent-3-ene-1, 5-dial

  • Pent-2-ene-1, 5-dial

The IUPAC name of 

​​       NC‐CH2‐CH2‐CN is:

  • Butane-1,4-dicarbonitrile

  • Ethane-1, 2-dicarbonitrile

  • Ethane-1, 2-dinitrile

  • Butane-1, 4-dinitrile

The IUPAC name of  CH2— CH—CH2— CH2|          |                            |NH2    CH3                       NH2 is:

  • 2-Methylbutane-1, 4-diamine

  • 3-Methylbutane-1, 4-diamine

  • 3-(Aminomethyl)butanamine

  • 2-(Aminomethyl)butan-4-amine

The IUPAC name of the given compound is:

  • Tris(chloromethyl)methane

  • 1,3-Dichloro-2-(chloromethyl)propane

  • 1-Chlorobis(chloromethyl) ethane

  • None of the above

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