Methods of Preparation of Alcohols
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CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322885 In the hydroboration - oxidation reaction of propene with, \(\mathrm{H}_{2} \mathrm{O}_{2}\) and \(\mathrm{NaOH}\), the organic compound formed is :

1 \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{OH}\)
2 \(\left(\mathrm{CH}_{2}\right)_{3} \mathrm{COH}\)
3 \(\mathrm{CH}_{3} \mathrm{CHOHCH}_{3}\)
4 \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{OH}\)
JEE - 2014
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322886 \(\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CHOH} \xrightarrow{\text { mild oxidation }} \mathrm{X} \xrightarrow[\mathrm{H}_{2} \mathrm{O}]{\text { (i) } \mathrm{CH}_{3} \mathrm{MgBr}} \mathrm{Y}\) Here ' \(\mathrm{Y}\) ' is:

1 Iso butyl alcohol
2 Iso butylene
3 Sec. butyl alcohol
4 Tert.butyl alcohol
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322887 Propene, \(\mathrm{CH}_{3}-\mathrm{CH}=\mathrm{CH}_{2}\), can be converted to propan-2-ol. Which set of reagents among the following is ideal to effect the conversion?

1 \(\mathrm{B}_{2} \mathrm{H}_{6}\) and alkaline \(\mathrm{H}_{2} \mathrm{O}_{2}\)
2 Alkaline \(\mathrm{KMnO}_{4}\)
3 \(\mathrm{HCl}\) followed by hydrolysis with aqueous \(\mathrm{KOH}\)
4 \(\mathrm{O}_{3} / \mathrm{Zn}\) dust
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322888 The product of the following reaction is
supporting img

1 1-Pentanol
2 2-Pentanol
3 Pentane
4 1, 2-Pentanediol
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CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322885 In the hydroboration - oxidation reaction of propene with, \(\mathrm{H}_{2} \mathrm{O}_{2}\) and \(\mathrm{NaOH}\), the organic compound formed is :

1 \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{OH}\)
2 \(\left(\mathrm{CH}_{2}\right)_{3} \mathrm{COH}\)
3 \(\mathrm{CH}_{3} \mathrm{CHOHCH}_{3}\)
4 \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{OH}\)
JEE - 2014
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322886 \(\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CHOH} \xrightarrow{\text { mild oxidation }} \mathrm{X} \xrightarrow[\mathrm{H}_{2} \mathrm{O}]{\text { (i) } \mathrm{CH}_{3} \mathrm{MgBr}} \mathrm{Y}\) Here ' \(\mathrm{Y}\) ' is:

1 Iso butyl alcohol
2 Iso butylene
3 Sec. butyl alcohol
4 Tert.butyl alcohol
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322887 Propene, \(\mathrm{CH}_{3}-\mathrm{CH}=\mathrm{CH}_{2}\), can be converted to propan-2-ol. Which set of reagents among the following is ideal to effect the conversion?

1 \(\mathrm{B}_{2} \mathrm{H}_{6}\) and alkaline \(\mathrm{H}_{2} \mathrm{O}_{2}\)
2 Alkaline \(\mathrm{KMnO}_{4}\)
3 \(\mathrm{HCl}\) followed by hydrolysis with aqueous \(\mathrm{KOH}\)
4 \(\mathrm{O}_{3} / \mathrm{Zn}\) dust
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322888 The product of the following reaction is
supporting img

1 1-Pentanol
2 2-Pentanol
3 Pentane
4 1, 2-Pentanediol
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CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322885 In the hydroboration - oxidation reaction of propene with, \(\mathrm{H}_{2} \mathrm{O}_{2}\) and \(\mathrm{NaOH}\), the organic compound formed is :

1 \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{OH}\)
2 \(\left(\mathrm{CH}_{2}\right)_{3} \mathrm{COH}\)
3 \(\mathrm{CH}_{3} \mathrm{CHOHCH}_{3}\)
4 \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{OH}\)
JEE - 2014
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322886 \(\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CHOH} \xrightarrow{\text { mild oxidation }} \mathrm{X} \xrightarrow[\mathrm{H}_{2} \mathrm{O}]{\text { (i) } \mathrm{CH}_{3} \mathrm{MgBr}} \mathrm{Y}\) Here ' \(\mathrm{Y}\) ' is:

1 Iso butyl alcohol
2 Iso butylene
3 Sec. butyl alcohol
4 Tert.butyl alcohol
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322887 Propene, \(\mathrm{CH}_{3}-\mathrm{CH}=\mathrm{CH}_{2}\), can be converted to propan-2-ol. Which set of reagents among the following is ideal to effect the conversion?

1 \(\mathrm{B}_{2} \mathrm{H}_{6}\) and alkaline \(\mathrm{H}_{2} \mathrm{O}_{2}\)
2 Alkaline \(\mathrm{KMnO}_{4}\)
3 \(\mathrm{HCl}\) followed by hydrolysis with aqueous \(\mathrm{KOH}\)
4 \(\mathrm{O}_{3} / \mathrm{Zn}\) dust
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322888 The product of the following reaction is
supporting img

1 1-Pentanol
2 2-Pentanol
3 Pentane
4 1, 2-Pentanediol
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CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322885 In the hydroboration - oxidation reaction of propene with, \(\mathrm{H}_{2} \mathrm{O}_{2}\) and \(\mathrm{NaOH}\), the organic compound formed is :

1 \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{OH}\)
2 \(\left(\mathrm{CH}_{2}\right)_{3} \mathrm{COH}\)
3 \(\mathrm{CH}_{3} \mathrm{CHOHCH}_{3}\)
4 \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{OH}\)
JEE - 2014
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322886 \(\left(\mathrm{CH}_{3}\right)_{2} \mathrm{CHOH} \xrightarrow{\text { mild oxidation }} \mathrm{X} \xrightarrow[\mathrm{H}_{2} \mathrm{O}]{\text { (i) } \mathrm{CH}_{3} \mathrm{MgBr}} \mathrm{Y}\) Here ' \(\mathrm{Y}\) ' is:

1 Iso butyl alcohol
2 Iso butylene
3 Sec. butyl alcohol
4 Tert.butyl alcohol
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322887 Propene, \(\mathrm{CH}_{3}-\mathrm{CH}=\mathrm{CH}_{2}\), can be converted to propan-2-ol. Which set of reagents among the following is ideal to effect the conversion?

1 \(\mathrm{B}_{2} \mathrm{H}_{6}\) and alkaline \(\mathrm{H}_{2} \mathrm{O}_{2}\)
2 Alkaline \(\mathrm{KMnO}_{4}\)
3 \(\mathrm{HCl}\) followed by hydrolysis with aqueous \(\mathrm{KOH}\)
4 \(\mathrm{O}_{3} / \mathrm{Zn}\) dust
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322888 The product of the following reaction is
supporting img

1 1-Pentanol
2 2-Pentanol
3 Pentane
4 1, 2-Pentanediol
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