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Isobutyl chloride is-
1. CH₃CH₂CH₂CH₂Cl
2. (CH₃)₂CHCH₂Cl
3. CH₃CH₂CHClCH₃
4. (CH₃)₃C-Cl

The IUPAC name of the following compound is:
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1. 2,3-Dimethylbutan-4-amine
2. 2,4-Dimethylbutan-1-amine
3. 2,4-Dimethylbutan-4-amine
4. 2,3-Dimethylbutan-1-amine

The IUPAC name of  ​  is-
1. 2-Phenylpropan-1-ol
2. 2-Phenylpropan-3-ol
3. 1-(2-Hydroxy-1-methylethyl)benzene
4. 1-((Hydroxymethyl)ethyl)benzene

The IUPAC name of the given compound is:
 

1. Ethanoic propanoic anhydride
2. Propanoic ethanoic anhydride
3. 1-Ethanoyloxypropanone
4. 3-Ethanoyloxypropan-3-one

The IUPAC name of 
​​       $NC‐C{H}_2‐C{H}_2‐CN$ is:
(1) Butane-1,4-dicarbonitrile
(2) Ethane-1, 2-dicarbonitrile
(3) Ethane-1, 2-dinitrile
(4) Butane-1, 4-dinitrile

The IUPAC name of  is:
(1) 4-Chloro-3-methylbut-2-en-l-ol
(2) l-Chloro-2-methylbut-2-en-4-ol
(3) 4-Chloro-1-hydroxy-3-methylbut-2-ene
(4) l-Chloro-4-hydroxy-2-methylbut-2-ene

The IUPAC name of  the following compound 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

\(CH_3-CH-CH_2-O-C_2H_5\\ ~~~~~~~~~~~~~~|\\ ~~~~~~~~~~~~~OH\)    
1. 1-Ethoxypropan-2-ol
2. 3-Ethoxypropan-2-ol
3. 1-Ethoxy-2-hydroxypropane
4. None of these

The IUPAC name of  is:  
1. 4-Bromo benzenamine
2. 4-Amino-1-bromobenzene
3. 4-Bromo benzenamide
4. 1-Bromo benzencarboxamide

The IUPAC name iS'
1. Chloromethylbenzene 
2. Chlorophenylmethane
3. (1) and (2) both
4. None of the above

Structure of the compound whose IUPAC name is 3-ethyl-2-hydroxy-4-methylhex-3-en- 5-ynoic acid is ?
1. 
2.   
3.
4.   

The correct IUPAC name of the compound
 is
1. 3-ethyl-4-ethenylheptane
2. 3-ethyl-4-propylhex-5-ene
3. 3-(1-ethyl propyl) hex-1-ene
4. 4-ethyl-3-propylhex-1-ene

The isobutyl group among the following is:

1.
2.	CH3–CH2–CH2–CH2–
3.
4.

The IUPAC name of ${\mathrm{CH}}_3-\underset{{\mathrm{CH}}_2-{\mathrm{CH}}_3}{\underset{|}{\mathrm{CH}}}-\mathrm{CHO}$  is
1. Butan-2-aldehyde
2. 2- methylbutanal
3. 3- Methylisobutyraldehyde
4. 3- methylbutanal

The correct structural representation of the isobutyl group in an organic compound is:

1.
2.
3.
4.

Which of the following is the correct IUPAC name?
1. 3-Ethyl-4,4-dimethylheptane
2. 4,4-Dimethyl-3-ethylheptane
3. 5-Ethyl-4,4-dimethylheptane
4. 4,4-Bis(methyl)-3-ethylheptane

The correct IUPAC name for
 
is _____.
1. 2-Ethyl-3-methylpentane
2. 3,4-Dimethylhexane
3. 2-sec-Butylbutane
4. 2,3-Dimethylbutane

IUPAC  name of  is: 
1. 2-Chloro-3-iodo-2-pentene
2. 2-Chloro-3-iodo-3-pentene
3.  2-Iodo-3-chloro-pentene
4.  None of the above

IUPAC name of some compounds is given. The incorrect name is:

1.	: 3-Methyl-4-ethylheptane
2.	: 3-Methyl-2-butanol
3.	: 2-Ethyl-3-methylbut-1-ene
4.	\(\mathrm{CH}_3-\mathrm{C} \equiv \mathrm{C}-\mathrm{CH}\left(\mathrm{CH}_3\right)_2 \): 4-Methyl-2-pentyne

Match the item in column I with the column II

	Column I		Column II
a.		i.
b.		ii.
c.		iii.
d.		iv.

Choose the correct answer from the options given below:
1. a-ii; b-iv; c-i; d-iii
2. a-iii; b-iv; c-ii; d-i
3. a-iv; b-iii; c-i; d-ii
4. a-i; b-iv; c-ii; d-iii

Incorrect match amongst the following is/are:

(a)		3,4,7-Trimethyloctane
(b)		5-Ethyl-3-methylheptane
(c)		2,3,4-Trimethylheptane

Choose the compound with incorrect IUPAC nomenclature among the following.

1.		Ethylbutanoate
2.		3-Methylbutanal
3.		2-Methyl-3-pentanone
4.		2-Methyl-3-butanol