The compound that will undergo \(S_N~^1\) reaction with the fastest rate is: 
1. 2.
3. 4.
Subtopic:  Mechanism of Reactions |
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Major products A and B formed in the following reaction sequence, are 


 
1.
2.
3.
4.

 
Subtopic:  Chemical Properties |
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\(\text{CCl}_2\text{F}_2\)is one of the most common haloalkanes used in industries. The reaction through which it is manufactured from tetrachloromethane is called:

1. Finkelstein reaction
2. Sandmeyer's reaction
3. Swarts reaction
4. Wurtz-Fittig reaction
Subtopic:  Chemical Properties |
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The most preferred method for the preparation of pure alkyl chlorides from alcohols is:

1. \(\mathrm{R}-\mathrm{OH}+\mathrm{HCl} \xrightarrow{\mathrm{ZnCl}_2} \mathrm{R}-\mathrm{Cl}+\mathrm{H}_2 \mathrm{O}\)
2. \(\mathrm{R}-\mathrm{OH}+\mathrm{PCl}_5 \rightarrow \mathrm{R}-\mathrm{Cl}+\mathrm{POCl}_3+\mathrm{HCl}\)
3. \(\mathrm{R}-\mathrm{OH}+\mathrm{SOCl}_2 \rightarrow \mathrm{R}-\mathrm{Cl}+\mathrm{SO}_2+\mathrm{HCl}\)
4. \(\mathrm{R}-\mathrm{OH}+\mathrm{PCl}_3 \rightarrow \mathrm{R}-\mathrm{Cl}+\mathrm{H}_3 \mathrm{PO}_3\)
Subtopic:  Introduction and Physical Properties |
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The major product C in the below-mentioned reaction is: 
 
1. Propan-1-ol 2. Propan-2-ol
3. Propane 4. Propyne
Subtopic:  Mechanism of Reactions |
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The following compound would be classified as:

1. Vinylic halide 2. Benzylic halide
3. Aryl halide 4. Allylic halide
Subtopic:  Introduction and Physical Properties |
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The correct order for the rate of \(\alpha\) , \(\beta\)-dehydrohalogenation for the following compounds is:
(i)  (ii) 
(iii) 
 
1. (i) < (ii) < (iii) 2. (ii) < (i) < (iii)
3. (iii) < (ii) < (i) 4. (ii) < (iii) < (i)
Subtopic:  Chemical Properties |
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A reaction among the following can generate isonitriles as a major product.

A. \(R-X + HCN \rightarrow \)
B. \(R-X + AgCN \rightarrow \)
C. \(R-X + KCN \rightarrow \)
D. \(R-X + NaCN \xrightarrow [C_2H_5OH] {H_2O} \) 

Choose the most appropriate answer from the options given below: 
1. (D) only  2. (C) and (D) only  
3. (B) only  4. (A) and (B) only 
Subtopic:  Chemical Properties |
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Identify 'X' in the following reaction.
1. 2.
3. 4.
Subtopic:  Chemical Properties |
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Which of the following is suitable to synthesize chlorobenzene?
1.
2. Benzene, Cl2, anhydrous FeCl3
3. Phenol, NaNO2, HCl, CuCl
4.
Subtopic:  Haloarenes: Directive Influence of Halogen |
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