Maleic and fumaric acids are-

1. Tautomers                 

2. Geometrical isomers

3. Chain isomers             

4. Functional isomers

The configuration of given tartaric acid is

1. 2R, 3R         2. 2R, 3S

3. 2S, 3S         4. 2S, 3R

How many geometrical isomers are possible of the following?

 CH₃-CH=CH-CH=CH-CH₃

1. 2             2. 3

3. 4             4. 6

The IUPAC name of the compound

1. 3,3-diethyl-4-methyl-5 (methylethyl)octane

2. 3,3-diethyl-5-isopropyl-4-methyloctane

3. 4-isopropyl-5-methyl-6,6-diethyloctane

4. 6,6-diethyl-4-isopropyl-5-methyloctane

The most stable carbocation among the following is

1. ${\left(C{H}_3\right)}_{3}CC{H}^{+}C{H}_3$

2. $C{H}_{3}C{H}_{2}C{H}^{+}C{H}_{2}C{H}_3$

3. (CH₃)₂CH⁺CH₂CH₂CH₃

4. $C{H}_{3}C{H}_{2}C{H}^{+}$

The IUPAC name of is :

1. 3, 4-dimethylpentanoyl chloride

2. 1-chloro-1-oxo-2, 2-dimethylpentane

3. 2-ethyl-3-methylbutanoyl chloride

4. 2, 3-dimethylpentanoyl chloride

Which of the following is not chiral?

1. 2-butanol

2. 2,3-dibromopentane

3. 3-bromopentane

4. 2-hydroxypropanoic acid

The order of decreasing reactivity towards an electrophilic reagent, for the following : 
(i) Benzene (ii) Toluene 
(iii) Chlorobenzene and 
(iv) Phenol 
Would be :

1. (i) > (ii) > (iii) > (iv)

2. (ii) > (iv) > (i) > (iii)

3. (iv) > (iii) > (ii) > (i)

4. (iv) > (ii) > (i) > (iii)

Which of the following compounds will exhibit cis-trans (geometrical) isomerism?

1. 2-butene

2. Butanol

3. 2-butyne

4. 2-butenol