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

322902 The product of following reaction is \({{\text{C}}{{\text{H}}_{\text{3}}}{\text{MgBr}} + {\text{C}}{{\text{H}}_{\text{2}}}{\text{O}}\xrightarrow{{{{\text{H}}_{\text{2}}}{\text{O/}}{{\text{H}}^{\text{ + }}}}}}\)

1 \(\mathrm{CH}_{3} \mathrm{OH}\)
2 \({{\text{C}}{{\text{H}}_3}{\text{C}}{{\text{H}}_2}{\text{OH}}}\)
3 \(\mathrm{CH}_{4}\)
4 \(\mathrm{C}_{2} \mathrm{H}_{6}\)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322903 Identify the correct reagents that would bring about the following transformation.
supporting img

1 (I) \({\mathrm{\mathrm{H}_{2} \mathrm{O} / \mathrm{H}^{+}}}\)
(II) \({\mathrm{\mathrm{CrO}_{3}}}\)
2 (I) \({\mathrm{\mathrm{BH}_{3}}}\)
(II) \({\mathrm{\mathrm{H}_{2} \mathrm{O}_{2} / \stackrel{\ominus}{\mathrm{O}} \mathrm{H}}}\)
(III) PCC
3 (I) \({\mathrm{\mathrm{BH}_{3}}}\)
(II) \({\mathrm{\mathrm{H}_{2} \mathrm{O}_{2} / \stackrel{\ominus}{\mathrm{O}} \mathrm{H}}}\)
(III) alk. \({\mathrm{\mathrm{KMnO}_{4}}}\)
(IV) \({\mathrm{\mathrm{H}_{3} \mathrm{O}^{\oplus}}}\)
4 (I) \({\mathrm{\mathrm{H}_{2} \mathrm{O} / \mathrm{H}^{+}}}\)
(II) PCC
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322904 Number of deuterium (D) atoms in product (A) are
supporting img

1 1
2 0
3 2
4 3
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322905 The mechanism of the reaction involves the following three steps.
I. Nucleophilic attack of water on carbocation.
II. Protonation of an alkene to form carbocation by the electrophilic attack of \(\mathrm{H}_{3} \mathrm{O}^{+}\).
III. Deprotonation to form an alcohol.
Identify the correct sequence for the mechanism of reaction in the acid catalysed hydration of alkenes.

1 I, II and III
2 II, I and III
3 III, I and II
4 III, II and I
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322902 The product of following reaction is \({{\text{C}}{{\text{H}}_{\text{3}}}{\text{MgBr}} + {\text{C}}{{\text{H}}_{\text{2}}}{\text{O}}\xrightarrow{{{{\text{H}}_{\text{2}}}{\text{O/}}{{\text{H}}^{\text{ + }}}}}}\)

1 \(\mathrm{CH}_{3} \mathrm{OH}\)
2 \({{\text{C}}{{\text{H}}_3}{\text{C}}{{\text{H}}_2}{\text{OH}}}\)
3 \(\mathrm{CH}_{4}\)
4 \(\mathrm{C}_{2} \mathrm{H}_{6}\)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322903 Identify the correct reagents that would bring about the following transformation.
supporting img

1 (I) \({\mathrm{\mathrm{H}_{2} \mathrm{O} / \mathrm{H}^{+}}}\)
(II) \({\mathrm{\mathrm{CrO}_{3}}}\)
2 (I) \({\mathrm{\mathrm{BH}_{3}}}\)
(II) \({\mathrm{\mathrm{H}_{2} \mathrm{O}_{2} / \stackrel{\ominus}{\mathrm{O}} \mathrm{H}}}\)
(III) PCC
3 (I) \({\mathrm{\mathrm{BH}_{3}}}\)
(II) \({\mathrm{\mathrm{H}_{2} \mathrm{O}_{2} / \stackrel{\ominus}{\mathrm{O}} \mathrm{H}}}\)
(III) alk. \({\mathrm{\mathrm{KMnO}_{4}}}\)
(IV) \({\mathrm{\mathrm{H}_{3} \mathrm{O}^{\oplus}}}\)
4 (I) \({\mathrm{\mathrm{H}_{2} \mathrm{O} / \mathrm{H}^{+}}}\)
(II) PCC
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322904 Number of deuterium (D) atoms in product (A) are
supporting img

1 1
2 0
3 2
4 3
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322905 The mechanism of the reaction involves the following three steps.
I. Nucleophilic attack of water on carbocation.
II. Protonation of an alkene to form carbocation by the electrophilic attack of \(\mathrm{H}_{3} \mathrm{O}^{+}\).
III. Deprotonation to form an alcohol.
Identify the correct sequence for the mechanism of reaction in the acid catalysed hydration of alkenes.

1 I, II and III
2 II, I and III
3 III, I and II
4 III, II and I
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322902 The product of following reaction is \({{\text{C}}{{\text{H}}_{\text{3}}}{\text{MgBr}} + {\text{C}}{{\text{H}}_{\text{2}}}{\text{O}}\xrightarrow{{{{\text{H}}_{\text{2}}}{\text{O/}}{{\text{H}}^{\text{ + }}}}}}\)

1 \(\mathrm{CH}_{3} \mathrm{OH}\)
2 \({{\text{C}}{{\text{H}}_3}{\text{C}}{{\text{H}}_2}{\text{OH}}}\)
3 \(\mathrm{CH}_{4}\)
4 \(\mathrm{C}_{2} \mathrm{H}_{6}\)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322903 Identify the correct reagents that would bring about the following transformation.
supporting img

1 (I) \({\mathrm{\mathrm{H}_{2} \mathrm{O} / \mathrm{H}^{+}}}\)
(II) \({\mathrm{\mathrm{CrO}_{3}}}\)
2 (I) \({\mathrm{\mathrm{BH}_{3}}}\)
(II) \({\mathrm{\mathrm{H}_{2} \mathrm{O}_{2} / \stackrel{\ominus}{\mathrm{O}} \mathrm{H}}}\)
(III) PCC
3 (I) \({\mathrm{\mathrm{BH}_{3}}}\)
(II) \({\mathrm{\mathrm{H}_{2} \mathrm{O}_{2} / \stackrel{\ominus}{\mathrm{O}} \mathrm{H}}}\)
(III) alk. \({\mathrm{\mathrm{KMnO}_{4}}}\)
(IV) \({\mathrm{\mathrm{H}_{3} \mathrm{O}^{\oplus}}}\)
4 (I) \({\mathrm{\mathrm{H}_{2} \mathrm{O} / \mathrm{H}^{+}}}\)
(II) PCC
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322904 Number of deuterium (D) atoms in product (A) are
supporting img

1 1
2 0
3 2
4 3
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322905 The mechanism of the reaction involves the following three steps.
I. Nucleophilic attack of water on carbocation.
II. Protonation of an alkene to form carbocation by the electrophilic attack of \(\mathrm{H}_{3} \mathrm{O}^{+}\).
III. Deprotonation to form an alcohol.
Identify the correct sequence for the mechanism of reaction in the acid catalysed hydration of alkenes.

1 I, II and III
2 II, I and III
3 III, I and II
4 III, II and I
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322902 The product of following reaction is \({{\text{C}}{{\text{H}}_{\text{3}}}{\text{MgBr}} + {\text{C}}{{\text{H}}_{\text{2}}}{\text{O}}\xrightarrow{{{{\text{H}}_{\text{2}}}{\text{O/}}{{\text{H}}^{\text{ + }}}}}}\)

1 \(\mathrm{CH}_{3} \mathrm{OH}\)
2 \({{\text{C}}{{\text{H}}_3}{\text{C}}{{\text{H}}_2}{\text{OH}}}\)
3 \(\mathrm{CH}_{4}\)
4 \(\mathrm{C}_{2} \mathrm{H}_{6}\)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322903 Identify the correct reagents that would bring about the following transformation.
supporting img

1 (I) \({\mathrm{\mathrm{H}_{2} \mathrm{O} / \mathrm{H}^{+}}}\)
(II) \({\mathrm{\mathrm{CrO}_{3}}}\)
2 (I) \({\mathrm{\mathrm{BH}_{3}}}\)
(II) \({\mathrm{\mathrm{H}_{2} \mathrm{O}_{2} / \stackrel{\ominus}{\mathrm{O}} \mathrm{H}}}\)
(III) PCC
3 (I) \({\mathrm{\mathrm{BH}_{3}}}\)
(II) \({\mathrm{\mathrm{H}_{2} \mathrm{O}_{2} / \stackrel{\ominus}{\mathrm{O}} \mathrm{H}}}\)
(III) alk. \({\mathrm{\mathrm{KMnO}_{4}}}\)
(IV) \({\mathrm{\mathrm{H}_{3} \mathrm{O}^{\oplus}}}\)
4 (I) \({\mathrm{\mathrm{H}_{2} \mathrm{O} / \mathrm{H}^{+}}}\)
(II) PCC
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322904 Number of deuterium (D) atoms in product (A) are
supporting img

1 1
2 0
3 2
4 3
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322905 The mechanism of the reaction involves the following three steps.
I. Nucleophilic attack of water on carbocation.
II. Protonation of an alkene to form carbocation by the electrophilic attack of \(\mathrm{H}_{3} \mathrm{O}^{+}\).
III. Deprotonation to form an alcohol.
Identify the correct sequence for the mechanism of reaction in the acid catalysed hydration of alkenes.

1 I, II and III
2 II, I and III
3 III, I and II
4 III, II and I