Methods of Preparation of Alcohols
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322919 Identify \(\mathrm{A}\) and \(\mathrm{B}\) in the following reaction
\({{\text{C}}_{\text{2}}}{{\text{H}}_{\text{5}}}{\text{ - Cl}}\xrightarrow{{\text{A}}}{{\text{C}}_{\text{2}}}{{\text{H}}_{\text{5}}}{\text{OH}}\xleftarrow{{\text{B}}}{{\text{C}}_{\text{2}}}{{\text{H}}_{\text{5}}}{\text{Cl}}\)

1 \(\mathrm{A}=\) aqueous \(\mathrm{KOH} ; \mathrm{B}=\) moist \(\mathrm{Ag}_{2} \mathrm{O}\)
2 \(\mathrm{A}=\) alcoholic \(\mathrm{KOH} ; \mathrm{B}=\) aqueous \(\mathrm{NaOH}\)
3 \({\rm{A = aqueous}}\,\,{\rm{NaOH; B = AgN}}{{\rm{O}}_{\rm{2}}}\)
4 \(\mathrm{A}=\mathrm{AgNO}_{2} ; \mathrm{B}=\mathrm{KNO}_{2}\)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322920 The catalyst used in the preparation of an alkyl chloride by the action of dry \(\mathrm{HCl}\) on an alcohol is

1 anhydrous \(\mathrm{AlCl}_{3}\)
2 \(\mathrm{FeCl}_{3}\)
3 anhydrous \(\mathrm{ZnCl}_{2}\)
4 \(\mathrm{Cu}\)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322921 Statement A :
Commercially acids are reduced to alcohols by converting them to the esters followed by their reduction using catalylic hydrogenation.
Statement B :
\(\mathrm{LiAlH}_{4}\) can also reduce carboxylic acids to primary alcohols but \(\mathrm{LiAlH}_{4}\) is an expensive reagent and used for preparing special chemicals only.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both statements are incorrect.
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322922 The process of converting alkyl halides into alcohols involves

1 Addition reaction
2 Substitution reaction
3 Dehydrohalogenation reaction
4 Rearrangement reaction
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322919 Identify \(\mathrm{A}\) and \(\mathrm{B}\) in the following reaction
\({{\text{C}}_{\text{2}}}{{\text{H}}_{\text{5}}}{\text{ - Cl}}\xrightarrow{{\text{A}}}{{\text{C}}_{\text{2}}}{{\text{H}}_{\text{5}}}{\text{OH}}\xleftarrow{{\text{B}}}{{\text{C}}_{\text{2}}}{{\text{H}}_{\text{5}}}{\text{Cl}}\)

1 \(\mathrm{A}=\) aqueous \(\mathrm{KOH} ; \mathrm{B}=\) moist \(\mathrm{Ag}_{2} \mathrm{O}\)
2 \(\mathrm{A}=\) alcoholic \(\mathrm{KOH} ; \mathrm{B}=\) aqueous \(\mathrm{NaOH}\)
3 \({\rm{A = aqueous}}\,\,{\rm{NaOH; B = AgN}}{{\rm{O}}_{\rm{2}}}\)
4 \(\mathrm{A}=\mathrm{AgNO}_{2} ; \mathrm{B}=\mathrm{KNO}_{2}\)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322920 The catalyst used in the preparation of an alkyl chloride by the action of dry \(\mathrm{HCl}\) on an alcohol is

1 anhydrous \(\mathrm{AlCl}_{3}\)
2 \(\mathrm{FeCl}_{3}\)
3 anhydrous \(\mathrm{ZnCl}_{2}\)
4 \(\mathrm{Cu}\)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322921 Statement A :
Commercially acids are reduced to alcohols by converting them to the esters followed by their reduction using catalylic hydrogenation.
Statement B :
\(\mathrm{LiAlH}_{4}\) can also reduce carboxylic acids to primary alcohols but \(\mathrm{LiAlH}_{4}\) is an expensive reagent and used for preparing special chemicals only.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both statements are incorrect.
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322922 The process of converting alkyl halides into alcohols involves

1 Addition reaction
2 Substitution reaction
3 Dehydrohalogenation reaction
4 Rearrangement reaction
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322919 Identify \(\mathrm{A}\) and \(\mathrm{B}\) in the following reaction
\({{\text{C}}_{\text{2}}}{{\text{H}}_{\text{5}}}{\text{ - Cl}}\xrightarrow{{\text{A}}}{{\text{C}}_{\text{2}}}{{\text{H}}_{\text{5}}}{\text{OH}}\xleftarrow{{\text{B}}}{{\text{C}}_{\text{2}}}{{\text{H}}_{\text{5}}}{\text{Cl}}\)

1 \(\mathrm{A}=\) aqueous \(\mathrm{KOH} ; \mathrm{B}=\) moist \(\mathrm{Ag}_{2} \mathrm{O}\)
2 \(\mathrm{A}=\) alcoholic \(\mathrm{KOH} ; \mathrm{B}=\) aqueous \(\mathrm{NaOH}\)
3 \({\rm{A = aqueous}}\,\,{\rm{NaOH; B = AgN}}{{\rm{O}}_{\rm{2}}}\)
4 \(\mathrm{A}=\mathrm{AgNO}_{2} ; \mathrm{B}=\mathrm{KNO}_{2}\)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322920 The catalyst used in the preparation of an alkyl chloride by the action of dry \(\mathrm{HCl}\) on an alcohol is

1 anhydrous \(\mathrm{AlCl}_{3}\)
2 \(\mathrm{FeCl}_{3}\)
3 anhydrous \(\mathrm{ZnCl}_{2}\)
4 \(\mathrm{Cu}\)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322921 Statement A :
Commercially acids are reduced to alcohols by converting them to the esters followed by their reduction using catalylic hydrogenation.
Statement B :
\(\mathrm{LiAlH}_{4}\) can also reduce carboxylic acids to primary alcohols but \(\mathrm{LiAlH}_{4}\) is an expensive reagent and used for preparing special chemicals only.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both statements are incorrect.
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322922 The process of converting alkyl halides into alcohols involves

1 Addition reaction
2 Substitution reaction
3 Dehydrohalogenation reaction
4 Rearrangement reaction
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322919 Identify \(\mathrm{A}\) and \(\mathrm{B}\) in the following reaction
\({{\text{C}}_{\text{2}}}{{\text{H}}_{\text{5}}}{\text{ - Cl}}\xrightarrow{{\text{A}}}{{\text{C}}_{\text{2}}}{{\text{H}}_{\text{5}}}{\text{OH}}\xleftarrow{{\text{B}}}{{\text{C}}_{\text{2}}}{{\text{H}}_{\text{5}}}{\text{Cl}}\)

1 \(\mathrm{A}=\) aqueous \(\mathrm{KOH} ; \mathrm{B}=\) moist \(\mathrm{Ag}_{2} \mathrm{O}\)
2 \(\mathrm{A}=\) alcoholic \(\mathrm{KOH} ; \mathrm{B}=\) aqueous \(\mathrm{NaOH}\)
3 \({\rm{A = aqueous}}\,\,{\rm{NaOH; B = AgN}}{{\rm{O}}_{\rm{2}}}\)
4 \(\mathrm{A}=\mathrm{AgNO}_{2} ; \mathrm{B}=\mathrm{KNO}_{2}\)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322920 The catalyst used in the preparation of an alkyl chloride by the action of dry \(\mathrm{HCl}\) on an alcohol is

1 anhydrous \(\mathrm{AlCl}_{3}\)
2 \(\mathrm{FeCl}_{3}\)
3 anhydrous \(\mathrm{ZnCl}_{2}\)
4 \(\mathrm{Cu}\)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322921 Statement A :
Commercially acids are reduced to alcohols by converting them to the esters followed by their reduction using catalylic hydrogenation.
Statement B :
\(\mathrm{LiAlH}_{4}\) can also reduce carboxylic acids to primary alcohols but \(\mathrm{LiAlH}_{4}\) is an expensive reagent and used for preparing special chemicals only.

1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both statements are incorrect.
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322922 The process of converting alkyl halides into alcohols involves

1 Addition reaction
2 Substitution reaction
3 Dehydrohalogenation reaction
4 Rearrangement reaction