The IUPAC name of HOOC-CH=CH-COOH is:

  • But-2-ene-1,4-dicarboxylic acid

  • But-2-ene-1,4-dioic acid

  • Ethene dicarboxylic acid

  • Ethene dioic acid

The IUPAC name of H3CCHCHO            |          OCH3 is:

 

  • 1 -Formyl-1 -methoxyethane

  • 2-Methoxypropan-3-one

  • 2-Methoxypropanal

  • 2-Methoxypropan-3-al

The IUPAC name of  HOCHCOOH           | HOCHCOOHis:

  • 2, 3-Dihydroxybutane-1, 4-carboxylic acid

  • 2, 3-Dihydroxybutane-1, 4-dioic acid

  • 1, 2-Dihydroxyethane dicarboxylic acid

  • none of these

The IUPAC name of NC-CH2CH2-COOH is:

  • 3-Carboxy propanenitrile

  • 4-Cyanobutanoic acid

  • 2-Cyanoethane Carboxylic acid

  • 3-Cyanopropanoic acid

The IUPAC name of  is:

  • 3-Carboxy-3-hydroxypentanedicarboxylic acid

  • 2-Hydroxypropane-1, 2, 3-tricarboxylic acid

  • 2-Hydroxypropane-1, 2, 3-trioic acid

  • 3-Hydroxypropane-1, 2, 3-tricarboxylic acid

The IUPAC name of    ClCH2C=CHCH2OH               |             CH3is:

  • 4-Chloro-3-methylbut-2-en-l-ol

  • l-Chloro-2-methylbut-2-en-4-ol

  • 4-Chloro-1-hydroxy-3-methylbut-2-ene

  • l-Chloro-4-hydroxy-2-methylbut-2-ene

The most unlikely representation of resonance structures of p-nitrophenoxide ion is:

  •  

  •  

  •  

  •  

Which of the following is an electrophilic reagent?

  • BF3

  • NH3

  • RO-

  •  ROH

The +I (inductive effect) is shown by:

  • -CH3

  • -OH

  • -F

  • -C6H5

The-I effect is shown by:

  • -COOH

  • -CH3

  • -CH3CH2

  • -CHR2

Which of the following is singlet carbene?

  • (CH3)3C+

  • C2H5-CH

  •  CH3CH2CH2-

  • CH=CH-CH2+

The IUPAC name of                     O                   ||CH2CHCCH2CH3 |           |Br        CONH2 is:

  • 2-(Bromomethyl)-3-oxopentane carboxamide

  • 1-Bromo-2-carbamoylpentan-3-one

  • 5-Bromo-4-carbamoylpentan-3-one

  •  2-(Bromomethyl)-3-oxopentanamide

The IUPAC name of (CH3)3C CH2CH2Cl is:

  • 2, 2-Dimethyl-4-chloro butane

  • 1-Chloro-3, 3-dimethylbutane

  • 4-Chloro-2, 2-dimethyl butane

  • none of these

The IUPAC name of  CH3CHCHCHCHO              |          |         |             CH3    OH     OH is:

  • 2, 3-Dihydroxy-4-methylpentanal

  • 1-oxo-2,3-Dihydroxy-4-methylpentane

  • 2,3-Dihydroxy-4 methylpentanone

  • 1, 2-Dihydroxy-3-methylbutanecarbaldehyde

The IUPAC name of CH3 -CHOH- CH2- CO-CH3 is:

  • 2-Hydroxypentan-4-one

  • 4-Hydroxypentan-2-one

  • 4-oxopentan-2-ol

  • 2-oxopentan-4-ol

The IUPAC name of CH3-CHCl-CHBr-CHOH-CH3 is:

 

  • 3-Bromo-4-chloropentan-2-o1

  • 3-Bromo-2-chloro-4-hydroxypentane

  • 3-Bromo-2-chloropentane-4-ol

  • none of these

The IUPAC name ofCH3 — CH2— C||OHBr -CH|Cl — CH- Cl is:

  • 3-Bromo-4, 5-dichloropentan-3-ol

  • 3-Bromo-1, 2-dichloro-3-hydroxypentane

  • 3-Bromo-1, 2-dichloropentan-3-ol

  • 3-Bromo-4, 5-dichloro-3-hydroxypentane

The IUPAC name of  CH3CHCH2OC2H5           |          OH is:

  • 1-Ethoxypropan-2-ol

  • 3-Ethoxypropan-2-ol

  • 1-Ethoxy-2-hydroxypropane

  • None of these

The IUPAC name of  is:

 

  • N, N-Dimethyl aminobenzene

  • N, N-Dimethyl benzenamine

  • (1) and (2) both are correct

  • none of these

The IUPAC name of  is:

  • 2, 6-Dimethylhepta-2, 5-dienoic acid

  • 3, 7-Dimethylhepta-2, 5-dienoic acid

  • 1-Hydroxy-2, 6-dimethylhepta-2, 5-dienone

  • None of the above

The IUPAC name of  is : 

  • 2-Phenyl ethanone

  • 1-Phenyl ethanone

  • 1-(Oxoethyl)benzene

  • 1-(Ethyloxo)-benzene

Ph-CH=CH-COOH 

The IUPAC name is:

  • 3-Phenyl prop-2-enoic acid

  • 3-Phenol prop-1-enoic acid

  • 3-Carboxy-prop-1-ene benzene

  • But-2-enoic acid

The IUPAC name iS'

  • (1) and (2) both

  • None of the above

  • Chloromethylbenzene 

  • Chlorophenylmethane

The IUPAC name of the following compound is:

  • 4-Bromo-3-cyanophenol

  • 2-Bromo-5-hydroxybenzonitrile

  • 2-cyano-4-hydroxybromobenzene

  • 6-Bromo-3-hydroxybenzonitrile

The silver sulphate solution is used to separate:

  • nitrate and bromide

  • nitrate and chlorate

  • bromide and iodide

  • nitrate and nitrite

Soda extract is prepared by-

  • Fusing soda and mixture, and then extracted with water

  • Dissolving NaHCO3, and mixture in dil. HCl

  • Boiling Na2CO3, and mixture in dil.HCl

  • Boiling Na2CO3, and mixture in distilled water

The most stable carbocation among the following is-

  •  
  •  
  •  
  •  

The compound which forms one monochloro product when treated with chlorine is:

  • n-pentane

  • isopentane

  • neo-pentane

  • None of these

Among the following anions (a) CH3, (b) NH2, (c) OH-, (d) F-, the order of basicity is:

  • a > b > c > d

  • b > a > c > d

  • c > b > a > d

  • c > a > b > d

The electromeric effect in organic compounds is a

  • Temporary effect

  • Permanent effect

  • Electromeric effect only observed in inorganic molecule

  • None of the above

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