Types of Organic Reactions
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CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317798 An example of rearrangement reaction is
(i) \(\mathrm{NH}_{4} \mathrm{CNO} \stackrel{\Delta}{\longrightarrow} \mathrm{NH}_{2} \mathrm{CONH}_{2}\)
(ii) \({{\text{C}}_{\text{6}}}{{\text{H}}_{\text{5}}}{\text{OCOC}}{{\text{H}}_{\text{3}}}\xrightarrow{{{\text{AlC}}{{\text{l}}_{\text{3}}}}}{\text{o - }}{{\text{C}}_{\text{6}}}{{\text{H}}_{\text{4}}}{\text{(OH)}}\left( {{\text{COC}}{{\text{H}}_{\text{3}}}} \right){\text{ + }}\)
\({\rm{p - }}\) \(\mathrm{C}_{6} \mathrm{H}_{4}(\mathrm{OH})\left(\mathrm{COCH}_{3}\right)\)
(iii) \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{2}(\mathrm{Br}) \stackrel{\mathrm{AlB} r_{3}}{\longrightarrow} \mathrm{CH}_{3} \mathrm{CHBrCH}_{2} \mathrm{CH}_{3}\)

1 (i) and (iii)
2 (ii) and (iii)
3 only (ii)
4 (i), (ii) and (iii)
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317799 Example of chlorinolyis is

1 \(\mathrm{CH}_{2}=\mathrm{CH}_{2} \xrightarrow{\mathrm{Cl}_{2}} \mathrm{C}_{2} \mathrm{H}_{4} \mathrm{Cl}_{2}\)
2 \(\mathrm{CCl}_{4}+\mathrm{H}_{2} \mathrm{O} \longrightarrow \mathrm{COCl}_{2}+2 \mathrm{HCl}\)
3 \(\mathrm{CHCl}_{3}+4 \mathrm{NaOH} \longrightarrow$$\mathrm{HCOONa}+3 \mathrm{NaCl}+2 \mathrm{H}_{2} \mathrm{O}\)
4 \(\mathrm{C}_{3} \mathrm{H}_{8} \xrightarrow{\mathrm{Cl}_{2}} \mathrm{CCl}_{4}+\mathrm{C}_{2} \mathrm{Cl}_{6}+8 \mathrm{HCl}\)
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317800 Which of the following statements is not characteristic of free radical chain reaction?

1 It gives major product derived from most stable free radical
2 Usually these reactions occur in protic solvents.
3 It proceeds in three main steps such as initiation, propagation, and termination
4 It may be initiated by UV light
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317803 Which of the following reactions is an example of nucleophilic substitution reaction?

1 \({\rm{RX + Mg}} \to {\rm{RMgX}}\)
2 \(\mathrm{RX}+\mathrm{KOH} \longrightarrow \mathrm{ROH}+\mathrm{KX}\)
3 \(2 \mathrm{RX}+2 \mathrm{Na} \longrightarrow \mathrm{R}-\mathrm{R}+2 \mathrm{NaX}\)
4 \(\mathrm{RX}+\mathrm{H}_{2} \longrightarrow \mathrm{RH}+\mathrm{HX}\)
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CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317798 An example of rearrangement reaction is
(i) \(\mathrm{NH}_{4} \mathrm{CNO} \stackrel{\Delta}{\longrightarrow} \mathrm{NH}_{2} \mathrm{CONH}_{2}\)
(ii) \({{\text{C}}_{\text{6}}}{{\text{H}}_{\text{5}}}{\text{OCOC}}{{\text{H}}_{\text{3}}}\xrightarrow{{{\text{AlC}}{{\text{l}}_{\text{3}}}}}{\text{o - }}{{\text{C}}_{\text{6}}}{{\text{H}}_{\text{4}}}{\text{(OH)}}\left( {{\text{COC}}{{\text{H}}_{\text{3}}}} \right){\text{ + }}\)
\({\rm{p - }}\) \(\mathrm{C}_{6} \mathrm{H}_{4}(\mathrm{OH})\left(\mathrm{COCH}_{3}\right)\)
(iii) \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{2}(\mathrm{Br}) \stackrel{\mathrm{AlB} r_{3}}{\longrightarrow} \mathrm{CH}_{3} \mathrm{CHBrCH}_{2} \mathrm{CH}_{3}\)

1 (i) and (iii)
2 (ii) and (iii)
3 only (ii)
4 (i), (ii) and (iii)
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317799 Example of chlorinolyis is

1 \(\mathrm{CH}_{2}=\mathrm{CH}_{2} \xrightarrow{\mathrm{Cl}_{2}} \mathrm{C}_{2} \mathrm{H}_{4} \mathrm{Cl}_{2}\)
2 \(\mathrm{CCl}_{4}+\mathrm{H}_{2} \mathrm{O} \longrightarrow \mathrm{COCl}_{2}+2 \mathrm{HCl}\)
3 \(\mathrm{CHCl}_{3}+4 \mathrm{NaOH} \longrightarrow$$\mathrm{HCOONa}+3 \mathrm{NaCl}+2 \mathrm{H}_{2} \mathrm{O}\)
4 \(\mathrm{C}_{3} \mathrm{H}_{8} \xrightarrow{\mathrm{Cl}_{2}} \mathrm{CCl}_{4}+\mathrm{C}_{2} \mathrm{Cl}_{6}+8 \mathrm{HCl}\)
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317800 Which of the following statements is not characteristic of free radical chain reaction?

1 It gives major product derived from most stable free radical
2 Usually these reactions occur in protic solvents.
3 It proceeds in three main steps such as initiation, propagation, and termination
4 It may be initiated by UV light
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317803 Which of the following reactions is an example of nucleophilic substitution reaction?

1 \({\rm{RX + Mg}} \to {\rm{RMgX}}\)
2 \(\mathrm{RX}+\mathrm{KOH} \longrightarrow \mathrm{ROH}+\mathrm{KX}\)
3 \(2 \mathrm{RX}+2 \mathrm{Na} \longrightarrow \mathrm{R}-\mathrm{R}+2 \mathrm{NaX}\)
4 \(\mathrm{RX}+\mathrm{H}_{2} \longrightarrow \mathrm{RH}+\mathrm{HX}\)
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CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317798 An example of rearrangement reaction is
(i) \(\mathrm{NH}_{4} \mathrm{CNO} \stackrel{\Delta}{\longrightarrow} \mathrm{NH}_{2} \mathrm{CONH}_{2}\)
(ii) \({{\text{C}}_{\text{6}}}{{\text{H}}_{\text{5}}}{\text{OCOC}}{{\text{H}}_{\text{3}}}\xrightarrow{{{\text{AlC}}{{\text{l}}_{\text{3}}}}}{\text{o - }}{{\text{C}}_{\text{6}}}{{\text{H}}_{\text{4}}}{\text{(OH)}}\left( {{\text{COC}}{{\text{H}}_{\text{3}}}} \right){\text{ + }}\)
\({\rm{p - }}\) \(\mathrm{C}_{6} \mathrm{H}_{4}(\mathrm{OH})\left(\mathrm{COCH}_{3}\right)\)
(iii) \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{2}(\mathrm{Br}) \stackrel{\mathrm{AlB} r_{3}}{\longrightarrow} \mathrm{CH}_{3} \mathrm{CHBrCH}_{2} \mathrm{CH}_{3}\)

1 (i) and (iii)
2 (ii) and (iii)
3 only (ii)
4 (i), (ii) and (iii)
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317799 Example of chlorinolyis is

1 \(\mathrm{CH}_{2}=\mathrm{CH}_{2} \xrightarrow{\mathrm{Cl}_{2}} \mathrm{C}_{2} \mathrm{H}_{4} \mathrm{Cl}_{2}\)
2 \(\mathrm{CCl}_{4}+\mathrm{H}_{2} \mathrm{O} \longrightarrow \mathrm{COCl}_{2}+2 \mathrm{HCl}\)
3 \(\mathrm{CHCl}_{3}+4 \mathrm{NaOH} \longrightarrow$$\mathrm{HCOONa}+3 \mathrm{NaCl}+2 \mathrm{H}_{2} \mathrm{O}\)
4 \(\mathrm{C}_{3} \mathrm{H}_{8} \xrightarrow{\mathrm{Cl}_{2}} \mathrm{CCl}_{4}+\mathrm{C}_{2} \mathrm{Cl}_{6}+8 \mathrm{HCl}\)
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317800 Which of the following statements is not characteristic of free radical chain reaction?

1 It gives major product derived from most stable free radical
2 Usually these reactions occur in protic solvents.
3 It proceeds in three main steps such as initiation, propagation, and termination
4 It may be initiated by UV light
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317803 Which of the following reactions is an example of nucleophilic substitution reaction?

1 \({\rm{RX + Mg}} \to {\rm{RMgX}}\)
2 \(\mathrm{RX}+\mathrm{KOH} \longrightarrow \mathrm{ROH}+\mathrm{KX}\)
3 \(2 \mathrm{RX}+2 \mathrm{Na} \longrightarrow \mathrm{R}-\mathrm{R}+2 \mathrm{NaX}\)
4 \(\mathrm{RX}+\mathrm{H}_{2} \longrightarrow \mathrm{RH}+\mathrm{HX}\)
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CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317798 An example of rearrangement reaction is
(i) \(\mathrm{NH}_{4} \mathrm{CNO} \stackrel{\Delta}{\longrightarrow} \mathrm{NH}_{2} \mathrm{CONH}_{2}\)
(ii) \({{\text{C}}_{\text{6}}}{{\text{H}}_{\text{5}}}{\text{OCOC}}{{\text{H}}_{\text{3}}}\xrightarrow{{{\text{AlC}}{{\text{l}}_{\text{3}}}}}{\text{o - }}{{\text{C}}_{\text{6}}}{{\text{H}}_{\text{4}}}{\text{(OH)}}\left( {{\text{COC}}{{\text{H}}_{\text{3}}}} \right){\text{ + }}\)
\({\rm{p - }}\) \(\mathrm{C}_{6} \mathrm{H}_{4}(\mathrm{OH})\left(\mathrm{COCH}_{3}\right)\)
(iii) \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{2}(\mathrm{Br}) \stackrel{\mathrm{AlB} r_{3}}{\longrightarrow} \mathrm{CH}_{3} \mathrm{CHBrCH}_{2} \mathrm{CH}_{3}\)

1 (i) and (iii)
2 (ii) and (iii)
3 only (ii)
4 (i), (ii) and (iii)
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317799 Example of chlorinolyis is

1 \(\mathrm{CH}_{2}=\mathrm{CH}_{2} \xrightarrow{\mathrm{Cl}_{2}} \mathrm{C}_{2} \mathrm{H}_{4} \mathrm{Cl}_{2}\)
2 \(\mathrm{CCl}_{4}+\mathrm{H}_{2} \mathrm{O} \longrightarrow \mathrm{COCl}_{2}+2 \mathrm{HCl}\)
3 \(\mathrm{CHCl}_{3}+4 \mathrm{NaOH} \longrightarrow$$\mathrm{HCOONa}+3 \mathrm{NaCl}+2 \mathrm{H}_{2} \mathrm{O}\)
4 \(\mathrm{C}_{3} \mathrm{H}_{8} \xrightarrow{\mathrm{Cl}_{2}} \mathrm{CCl}_{4}+\mathrm{C}_{2} \mathrm{Cl}_{6}+8 \mathrm{HCl}\)
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317800 Which of the following statements is not characteristic of free radical chain reaction?

1 It gives major product derived from most stable free radical
2 Usually these reactions occur in protic solvents.
3 It proceeds in three main steps such as initiation, propagation, and termination
4 It may be initiated by UV light
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317803 Which of the following reactions is an example of nucleophilic substitution reaction?

1 \({\rm{RX + Mg}} \to {\rm{RMgX}}\)
2 \(\mathrm{RX}+\mathrm{KOH} \longrightarrow \mathrm{ROH}+\mathrm{KX}\)
3 \(2 \mathrm{RX}+2 \mathrm{Na} \longrightarrow \mathrm{R}-\mathrm{R}+2 \mathrm{NaX}\)
4 \(\mathrm{RX}+\mathrm{H}_{2} \longrightarrow \mathrm{RH}+\mathrm{HX}\)
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