What is the IUPAC name for CH3C(p-ClC6H4)2CH(Br)CH3?

1. 2−Bromo−3,3−bis(4−chlorophenyl) butane

2. 4−Bromo−3,3−bis(2−chlorophenyl) butane

3. 2−Bromo−1,1−bis(4−chlorophenyl) butane

4. 4−Bromo−1,1−bis(2−chlorophenyl) butane

Subtopic:  Introduction and Physical Properties |
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What is the correct IUPAC name of the below mentioned compound?



 

1. 1−Chloro−4−(1−iodophenyl)−3, 3−dimethylbut−1−ene
2. 1−Chloro−1−(4−iodophenyl)−3, 3−dimethylbut−1−ene
3. 1−Chloro−2−(3−iodophenyl)−3, 3−dimethylbut−1−en
4. 4−Chloro−1−(1−iodophenyl)−1, 1−dimethylbut−3−ene

 
Subtopic:  Introduction and Physical Properties |
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The number of structural isomers possible for the compound with the formula C4H9Br, is-

1. 5 

2. 6

3. 4

4. 2

Subtopic:  Isomerism & Chirality |
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The reaction below is an example of :

1. Addition reaction.

2. SN1

3. Elimination reaction.

4. SN2

Subtopic:  Mechanism of Reactions |
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Match the compounds given in Column I with the effect given in Column II.

Column l

Column lI

A. Chloramphenical

1. Malaria

B. Thyroxine

2. Anaesthetic

C. Chloroquine

3. Typhoid fever

D. Chloroform

4. Goiter

5. Blood substituent


Codes

Options:  A   B    C   D 
1. 2 3 4 1
2. 3 4 1 2
3. 5 4 3 2
4. 4 5 3 2

Subtopic:  Dichloromethane, Trichloromethane & Tetrachloromethane | Iodoform, Freons & DDT |
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Match the items in Column I and Column II.

Column l Column ll
A. SN1 reaction 1. vic-dibromide
B. Elimination of HX from an alkyl halide 2. Chlorobromocarbons
C. Bromination  of alkenes  3. Racemisation
D. Chemicals in fire extinguisher 4. Saytzeff rule 

Codes

A B C D
1. 2 3 4 1
2. 3 4 1 2
3. 1 4 3 2
4. 4 1 3 2
Subtopic:  Chemical Properties |
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Match the structures of compounds given in Column I with the classes of compounds given in Column II.

Column I Column II
A.   1. Aryl halide
B.  CH2=CH-CH2-X 2. Alkyl halide
C.   3. Vinyl halide
D. CH2=CH-X 4. Allylic halide

Codes

A B C D
1. 2 4 1 3
2. 3 4 1 2
3. 1 4 3 2
4. 4 1 3 2
Subtopic:  Introduction and Physical Properties |
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Match the reactions given in Column I with the types of reactions given in Column II and mark the appropriate option.

Column I Column II
A.  
 
1. Nucleophilic
aromatic
substitution
reaction
B.  
2. Electrophilic
aromatic
substitution
C.  
3. Saytzeff
elimination
D
4. Electrophilic
addition

5. Nucleophilic
substitution
reaction

Codes

A B C D
1. 2 4 5 1
2. 3 1 5 2
3. 5 4 3 2
4. 4 5 3 2
Subtopic:  Chemical Properties |
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The correct match of column I (Reactions) with column II (Name of reactions) is:

Column I Column II
A. 1. Fittig reaction
B. 2. Wurtz-Fittig reaction
C. 3. Finkelstein reaction
D.  \(\begin{aligned}\small{C_{2}H_{5}Cl \ + \ NaI \ \xrightarrow[]{\textbf{dry acetone}} \\ \ C_{2}H_{5}I \ + \ NaCl} \end{aligned}\)  4. Sandmeyer reaction

Codes

A B C D
1. 2 1 4 3
2. 3 1 4 2
3. 1 4 3 2
4. 4 1 3 2
Subtopic:  Chemical Properties |
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Select the correct option based on statements below:

Assertion (A): Phosphorus chlorides (tri and Penta) are preferred over thionyl chloride for the preparation of alkyl chlorides from alcohols.
Reason (R): Phosphorus chlorides give pure alkyl halides.
 
1. Both (A) and (R) are true and (R) is the correct explanation of (A).
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true but (R) is false.
4. Both (A) and (R) are false.
Subtopic:  Chemical Properties |
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