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

(1) 2, 3-Dihydroxy-4-methylpentanal

(2) 1-oxo-2,3-Dihydroxy-4-methylpentane

(3) 2,3-Dihydroxy-4 methylpentanone

(4) 1, 2-Dihydroxy-3-methylbutanecarbaldehyde

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

(1) 2-Hydroxypentan-4-one

(2) 4-Hydroxypentan-2-one

(3) 4-oxopentan-2-ol

(4) 2-oxopentan-4-ol

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

(1) 3-Bromo-4-chloropentan-2-o1

(2) 3-Bromo-2-chloro-4-hydroxypentane

(3) 3-Bromo-2-chloropentane-4-ol

(4) none of these

 

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

(1) 3-Bromo-4, 5-dichloropentan-3-ol

(2) 3-Bromo-1, 2-dichloro-3-hydroxypentane

(3) 3-Bromo-1, 2-dichloropentan-3-ol

(4) 3-Bromo-4, 5-dichloro-3-hydroxypentane

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The IUPAC name of  CH3CHCH2OC2H5
           |
          OH is:
(1) 1-Ethoxypropan-2-ol

(2) 3-Ethoxypropan-2-ol

(3) 1-Ethoxy-2-hydroxypropane

(4) None of these

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The IUPAC name of  is:

 

(1) N, N-Dimethyl aminobenzene

(2) N, N-Dimethyl benzenamine

(3) (1) and (2) both are correct

(4) none of these

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The IUPAC name of  is:

1. 2, 6-Dimethylhepta-2, 5-dienoic acid

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

3. 1-Hydroxy-2, 6-dimethylhepta-2, 5-dienone

4. None of the above

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The IUPAC name of  is : 

1. 2-Phenyl ethanone

2. 1-Phenyl ethanone

3. 1-(Oxoethyl)benzene

4. 1-(Ethyloxo)-benzene

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Ph-CH=CH-COOH 

The IUPAC name is:

1. 3-Phenyl prop-2-enoic acid

2. 3-Phenol prop-1-enoic acid

3. 3-Carboxy-prop-1-ene benzene

4. But-2-enoic acid

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The IUPAC name iS'

1. Chloromethylbenzene 

2. Chlorophenylmethane

3. (1) and (2) both

4. None of the above

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