Analytical Tests for Alcohols
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CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322847 A compound " \(\mathrm{X}\) " of the formula \(\mathrm{C}_{3} \mathrm{H}_{8} \mathrm{O}\) gives iodoform test. On oxidation with acidified \(\mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}, \mathrm{X}\) gave \(\mathrm{Y}\). \(\mathrm{Y}\) also gives iodoform test. Then \(\mathrm{X}\) and \(\mathrm{Y}\) are, respectively

1 \({\text{C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{OH,C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{CHO}}\)
2 \(\mathrm{CH}_{3} \mathrm{CHOHCH}_{3}, \mathrm{CH}_{3} \mathrm{COCH}_{3}\)
3 \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CHO}, \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{OH}\)
4 \(\mathrm{CH}_{3} \mathrm{COCH}_{3}, \mathrm{CH}_{3} \mathrm{CHOHCH}_{3}\)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322848 Consider the molecule
Which reagent will not give a positive test with this compound?
supporting img

1 Cold conc. \(\mathrm{H}_{2} \mathrm{SO}_{4}\)
2 \(\mathrm{Br}_{2} / \mathrm{CCl}_{4}\)
3 \(\mathrm{NaOH}\) (aq.)
4 Dil. \(\mathrm{KMnO}_{4} / \mathrm{H}_{2} \mathrm{O}\)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322849 Assertion :
1-Phenylethanol can be distinguished from 2-phenylethanol by iodofom test.
Reason :
1-Phenylethanol contains
\(\mathrm{CH}_{3} \mathrm{CHOH}\) - group linked to carbon but 2-phenylethanol does not.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322850 Assertion :
\(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{OH}\) can be distinguished by haloform test.
Reason :
Haloform test is given by \(2^{0}\) alcohol.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect
AIIMS - 2018
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322851 The compound " \(\mathrm{A}\) " when treated with ceric ammonium nitrate solution gives yellow \(\mathrm{ppt}\). The compound " \(\mathrm{A}\) " is

1 Alcohol
2 Alkane
3 Aldehyde
4 Acid
NEET DIGITAL LIBRARY
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322847 A compound " \(\mathrm{X}\) " of the formula \(\mathrm{C}_{3} \mathrm{H}_{8} \mathrm{O}\) gives iodoform test. On oxidation with acidified \(\mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}, \mathrm{X}\) gave \(\mathrm{Y}\). \(\mathrm{Y}\) also gives iodoform test. Then \(\mathrm{X}\) and \(\mathrm{Y}\) are, respectively

1 \({\text{C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{OH,C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{CHO}}\)
2 \(\mathrm{CH}_{3} \mathrm{CHOHCH}_{3}, \mathrm{CH}_{3} \mathrm{COCH}_{3}\)
3 \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CHO}, \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{OH}\)
4 \(\mathrm{CH}_{3} \mathrm{COCH}_{3}, \mathrm{CH}_{3} \mathrm{CHOHCH}_{3}\)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322848 Consider the molecule
Which reagent will not give a positive test with this compound?
supporting img

1 Cold conc. \(\mathrm{H}_{2} \mathrm{SO}_{4}\)
2 \(\mathrm{Br}_{2} / \mathrm{CCl}_{4}\)
3 \(\mathrm{NaOH}\) (aq.)
4 Dil. \(\mathrm{KMnO}_{4} / \mathrm{H}_{2} \mathrm{O}\)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322849 Assertion :
1-Phenylethanol can be distinguished from 2-phenylethanol by iodofom test.
Reason :
1-Phenylethanol contains
\(\mathrm{CH}_{3} \mathrm{CHOH}\) - group linked to carbon but 2-phenylethanol does not.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322850 Assertion :
\(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{OH}\) can be distinguished by haloform test.
Reason :
Haloform test is given by \(2^{0}\) alcohol.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect
AIIMS - 2018
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322851 The compound " \(\mathrm{A}\) " when treated with ceric ammonium nitrate solution gives yellow \(\mathrm{ppt}\). The compound " \(\mathrm{A}\) " is

1 Alcohol
2 Alkane
3 Aldehyde
4 Acid
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CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322847 A compound " \(\mathrm{X}\) " of the formula \(\mathrm{C}_{3} \mathrm{H}_{8} \mathrm{O}\) gives iodoform test. On oxidation with acidified \(\mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}, \mathrm{X}\) gave \(\mathrm{Y}\). \(\mathrm{Y}\) also gives iodoform test. Then \(\mathrm{X}\) and \(\mathrm{Y}\) are, respectively

1 \({\text{C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{OH,C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{CHO}}\)
2 \(\mathrm{CH}_{3} \mathrm{CHOHCH}_{3}, \mathrm{CH}_{3} \mathrm{COCH}_{3}\)
3 \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CHO}, \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{OH}\)
4 \(\mathrm{CH}_{3} \mathrm{COCH}_{3}, \mathrm{CH}_{3} \mathrm{CHOHCH}_{3}\)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322848 Consider the molecule
Which reagent will not give a positive test with this compound?
supporting img

1 Cold conc. \(\mathrm{H}_{2} \mathrm{SO}_{4}\)
2 \(\mathrm{Br}_{2} / \mathrm{CCl}_{4}\)
3 \(\mathrm{NaOH}\) (aq.)
4 Dil. \(\mathrm{KMnO}_{4} / \mathrm{H}_{2} \mathrm{O}\)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322849 Assertion :
1-Phenylethanol can be distinguished from 2-phenylethanol by iodofom test.
Reason :
1-Phenylethanol contains
\(\mathrm{CH}_{3} \mathrm{CHOH}\) - group linked to carbon but 2-phenylethanol does not.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322850 Assertion :
\(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{OH}\) can be distinguished by haloform test.
Reason :
Haloform test is given by \(2^{0}\) alcohol.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect
AIIMS - 2018
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322851 The compound " \(\mathrm{A}\) " when treated with ceric ammonium nitrate solution gives yellow \(\mathrm{ppt}\). The compound " \(\mathrm{A}\) " is

1 Alcohol
2 Alkane
3 Aldehyde
4 Acid
For More Updates join with Us
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CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322847 A compound " \(\mathrm{X}\) " of the formula \(\mathrm{C}_{3} \mathrm{H}_{8} \mathrm{O}\) gives iodoform test. On oxidation with acidified \(\mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}, \mathrm{X}\) gave \(\mathrm{Y}\). \(\mathrm{Y}\) also gives iodoform test. Then \(\mathrm{X}\) and \(\mathrm{Y}\) are, respectively

1 \({\text{C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{OH,C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{CHO}}\)
2 \(\mathrm{CH}_{3} \mathrm{CHOHCH}_{3}, \mathrm{CH}_{3} \mathrm{COCH}_{3}\)
3 \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CHO}, \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{OH}\)
4 \(\mathrm{CH}_{3} \mathrm{COCH}_{3}, \mathrm{CH}_{3} \mathrm{CHOHCH}_{3}\)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322848 Consider the molecule
Which reagent will not give a positive test with this compound?
supporting img

1 Cold conc. \(\mathrm{H}_{2} \mathrm{SO}_{4}\)
2 \(\mathrm{Br}_{2} / \mathrm{CCl}_{4}\)
3 \(\mathrm{NaOH}\) (aq.)
4 Dil. \(\mathrm{KMnO}_{4} / \mathrm{H}_{2} \mathrm{O}\)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322849 Assertion :
1-Phenylethanol can be distinguished from 2-phenylethanol by iodofom test.
Reason :
1-Phenylethanol contains
\(\mathrm{CH}_{3} \mathrm{CHOH}\) - group linked to carbon but 2-phenylethanol does not.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322850 Assertion :
\(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{OH}\) can be distinguished by haloform test.
Reason :
Haloform test is given by \(2^{0}\) alcohol.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect
AIIMS - 2018
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322851 The compound " \(\mathrm{A}\) " when treated with ceric ammonium nitrate solution gives yellow \(\mathrm{ppt}\). The compound " \(\mathrm{A}\) " is

1 Alcohol
2 Alkane
3 Aldehyde
4 Acid
NEET DIGITAL LIBRARY
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322847 A compound " \(\mathrm{X}\) " of the formula \(\mathrm{C}_{3} \mathrm{H}_{8} \mathrm{O}\) gives iodoform test. On oxidation with acidified \(\mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7}, \mathrm{X}\) gave \(\mathrm{Y}\). \(\mathrm{Y}\) also gives iodoform test. Then \(\mathrm{X}\) and \(\mathrm{Y}\) are, respectively

1 \({\text{C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{OH,C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{CHO}}\)
2 \(\mathrm{CH}_{3} \mathrm{CHOHCH}_{3}, \mathrm{CH}_{3} \mathrm{COCH}_{3}\)
3 \(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CHO}, \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{OH}\)
4 \(\mathrm{CH}_{3} \mathrm{COCH}_{3}, \mathrm{CH}_{3} \mathrm{CHOHCH}_{3}\)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322848 Consider the molecule
Which reagent will not give a positive test with this compound?
supporting img

1 Cold conc. \(\mathrm{H}_{2} \mathrm{SO}_{4}\)
2 \(\mathrm{Br}_{2} / \mathrm{CCl}_{4}\)
3 \(\mathrm{NaOH}\) (aq.)
4 Dil. \(\mathrm{KMnO}_{4} / \mathrm{H}_{2} \mathrm{O}\)
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322849 Assertion :
1-Phenylethanol can be distinguished from 2-phenylethanol by iodofom test.
Reason :
1-Phenylethanol contains
\(\mathrm{CH}_{3} \mathrm{CHOH}\) - group linked to carbon but 2-phenylethanol does not.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322850 Assertion :
\(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{OH}\) can be distinguished by haloform test.
Reason :
Haloform test is given by \(2^{0}\) alcohol.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Both Assertion and Reason are incorrect
AIIMS - 2018
CHXII11:ALCOHOLS, PHENOLS AND ETHERS

322851 The compound " \(\mathrm{A}\) " when treated with ceric ammonium nitrate solution gives yellow \(\mathrm{ppt}\). The compound " \(\mathrm{A}\) " is

1 Alcohol
2 Alkane
3 Aldehyde
4 Acid