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

322976 Which of the following reagents can be used for preparation of cumene?
(i) \(\mathrm{C}_{6} \mathrm{H}_{6}, \mathrm{Cl}_{2}, \mathrm{hv} ; \mathrm{Mg} \cdot \mathrm{THF}\); acetone.
(ii) \(\mathrm{C}_{6} \mathrm{H}_{6}, \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{Cl}, \mathrm{AlCl}_{3}\).
(iii) \(\mathrm{C}_{6} \mathrm{H}_{6}, \mathrm{CH}_{3} \mathrm{CHClCH}_{3}, \mathrm{AlCl}_{3}\).
(iv) \(\mathrm{C}_{6} \mathrm{H}_{6}, \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{Cl}, \mathrm{AlCl}_{3}\);

1 (i) and (ii)
2 (ii) and (iii)
3 (i), (ii) and (iii)
4 (ii) and (iv)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322977 Which of the following reactions will yield phenol?
supporting img

1 (i),(ii) and (iii)
2 (i) and (iii)
3 (i), (iii) and (iv)
4 (ii), (iii) and (iv)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322978 \({\text{Isopropyl}}\;{\text{benzene}}\xrightarrow[{{\text{423}}\;{\text{K/(alkaline}}\;{\text{medium)}}}]{{{{\text{O}}_{\text{2}}}{\text{,}}\;{\text{Cobalt}}\;{\text{naphthenate}}}}\)
\(\;\;\;\;\;\;\;\;\;\;\;\;{\text{X}}\xrightarrow[\Delta ]{{{\text{dil}}{\text{.}}{{\text{H}}_{\text{2}}}{\text{S}}{{\text{O}}_{\text{4}}}}}{\text{Y + Z}}\)
\({\text{Y}}\xrightarrow{{{\text{conc}}{\text{.}}{{\text{H}}_{\text{2}}}{\text{S}}{{\text{O}}_{\text{4}}}}}{\text{P}}\xrightarrow{{{\text{conc}}{\text{.HN}}{{\text{O}}_{\text{3}}}}}{\text{Q}}\)
How many electron withdrawing groups is/are present in the final product 'Q'?

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

322976 Which of the following reagents can be used for preparation of cumene?
(i) \(\mathrm{C}_{6} \mathrm{H}_{6}, \mathrm{Cl}_{2}, \mathrm{hv} ; \mathrm{Mg} \cdot \mathrm{THF}\); acetone.
(ii) \(\mathrm{C}_{6} \mathrm{H}_{6}, \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{Cl}, \mathrm{AlCl}_{3}\).
(iii) \(\mathrm{C}_{6} \mathrm{H}_{6}, \mathrm{CH}_{3} \mathrm{CHClCH}_{3}, \mathrm{AlCl}_{3}\).
(iv) \(\mathrm{C}_{6} \mathrm{H}_{6}, \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{Cl}, \mathrm{AlCl}_{3}\);

1 (i) and (ii)
2 (ii) and (iii)
3 (i), (ii) and (iii)
4 (ii) and (iv)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322977 Which of the following reactions will yield phenol?
supporting img

1 (i),(ii) and (iii)
2 (i) and (iii)
3 (i), (iii) and (iv)
4 (ii), (iii) and (iv)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322978 \({\text{Isopropyl}}\;{\text{benzene}}\xrightarrow[{{\text{423}}\;{\text{K/(alkaline}}\;{\text{medium)}}}]{{{{\text{O}}_{\text{2}}}{\text{,}}\;{\text{Cobalt}}\;{\text{naphthenate}}}}\)
\(\;\;\;\;\;\;\;\;\;\;\;\;{\text{X}}\xrightarrow[\Delta ]{{{\text{dil}}{\text{.}}{{\text{H}}_{\text{2}}}{\text{S}}{{\text{O}}_{\text{4}}}}}{\text{Y + Z}}\)
\({\text{Y}}\xrightarrow{{{\text{conc}}{\text{.}}{{\text{H}}_{\text{2}}}{\text{S}}{{\text{O}}_{\text{4}}}}}{\text{P}}\xrightarrow{{{\text{conc}}{\text{.HN}}{{\text{O}}_{\text{3}}}}}{\text{Q}}\)
How many electron withdrawing groups is/are present in the final product 'Q'?

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

322976 Which of the following reagents can be used for preparation of cumene?
(i) \(\mathrm{C}_{6} \mathrm{H}_{6}, \mathrm{Cl}_{2}, \mathrm{hv} ; \mathrm{Mg} \cdot \mathrm{THF}\); acetone.
(ii) \(\mathrm{C}_{6} \mathrm{H}_{6}, \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{Cl}, \mathrm{AlCl}_{3}\).
(iii) \(\mathrm{C}_{6} \mathrm{H}_{6}, \mathrm{CH}_{3} \mathrm{CHClCH}_{3}, \mathrm{AlCl}_{3}\).
(iv) \(\mathrm{C}_{6} \mathrm{H}_{6}, \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{Cl}, \mathrm{AlCl}_{3}\);

1 (i) and (ii)
2 (ii) and (iii)
3 (i), (ii) and (iii)
4 (ii) and (iv)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322977 Which of the following reactions will yield phenol?
supporting img

1 (i),(ii) and (iii)
2 (i) and (iii)
3 (i), (iii) and (iv)
4 (ii), (iii) and (iv)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322978 \({\text{Isopropyl}}\;{\text{benzene}}\xrightarrow[{{\text{423}}\;{\text{K/(alkaline}}\;{\text{medium)}}}]{{{{\text{O}}_{\text{2}}}{\text{,}}\;{\text{Cobalt}}\;{\text{naphthenate}}}}\)
\(\;\;\;\;\;\;\;\;\;\;\;\;{\text{X}}\xrightarrow[\Delta ]{{{\text{dil}}{\text{.}}{{\text{H}}_{\text{2}}}{\text{S}}{{\text{O}}_{\text{4}}}}}{\text{Y + Z}}\)
\({\text{Y}}\xrightarrow{{{\text{conc}}{\text{.}}{{\text{H}}_{\text{2}}}{\text{S}}{{\text{O}}_{\text{4}}}}}{\text{P}}\xrightarrow{{{\text{conc}}{\text{.HN}}{{\text{O}}_{\text{3}}}}}{\text{Q}}\)
How many electron withdrawing groups is/are present in the final product 'Q'?

1 1
2 2
3 3
4 4