Methods of Purification of Liquid Organic Compounds
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CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317339 Which of the following statements are correct about fractional distillation?
(I) Fractional distillation method is used if the two liquids have sufficiently large difference in their boiling points.
(II) A fractionating column provides many surfaces for heat exchange between the ascending vapours and the descending condensed liquid.
(III)Each successive condensation and vaporisation unit in the fractionating column is called a theoretical plate.
(IV)Fractional distillation method is used to separate different fractions of crude oil in petroleum industry.

1 (I), (II), and (IV)
2 (II), (III), and (IV)
3 (I), (II), and (III)
4 (I), (II), (III), and (IV)
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317340 Which of the following solution pairs can be separated by fractional distillation?

1 Water - \(\mathrm{HNO}_{3}\)
2 Water -HCl
3 Benzene-toluene
4 \(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}\) - water
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317341 Fractional distillation is a process by which the separation of different fractions from a mixture of solution is based upon

1 freezing point
2 boiling point
3 melting point
4 solubility
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317342 Assertion :
Chloroform and benzene form a pair of miscible liquids and they are separated by fractional distillation.
Reason :
Boiling point of benzene is less than that of chloroform.

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.
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317343 Assertion :
Acetone and methyl alcohol are separated by fractional distillation.
Reason :
The boiling point of acetone is less than methyl 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 Assertion is incorrect but Reason is correct.
NEET DIGITAL LIBRARY
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317339 Which of the following statements are correct about fractional distillation?
(I) Fractional distillation method is used if the two liquids have sufficiently large difference in their boiling points.
(II) A fractionating column provides many surfaces for heat exchange between the ascending vapours and the descending condensed liquid.
(III)Each successive condensation and vaporisation unit in the fractionating column is called a theoretical plate.
(IV)Fractional distillation method is used to separate different fractions of crude oil in petroleum industry.

1 (I), (II), and (IV)
2 (II), (III), and (IV)
3 (I), (II), and (III)
4 (I), (II), (III), and (IV)
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317340 Which of the following solution pairs can be separated by fractional distillation?

1 Water - \(\mathrm{HNO}_{3}\)
2 Water -HCl
3 Benzene-toluene
4 \(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}\) - water
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317341 Fractional distillation is a process by which the separation of different fractions from a mixture of solution is based upon

1 freezing point
2 boiling point
3 melting point
4 solubility
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317342 Assertion :
Chloroform and benzene form a pair of miscible liquids and they are separated by fractional distillation.
Reason :
Boiling point of benzene is less than that of chloroform.

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.
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317343 Assertion :
Acetone and methyl alcohol are separated by fractional distillation.
Reason :
The boiling point of acetone is less than methyl 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 Assertion is incorrect but Reason is correct.
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CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317339 Which of the following statements are correct about fractional distillation?
(I) Fractional distillation method is used if the two liquids have sufficiently large difference in their boiling points.
(II) A fractionating column provides many surfaces for heat exchange between the ascending vapours and the descending condensed liquid.
(III)Each successive condensation and vaporisation unit in the fractionating column is called a theoretical plate.
(IV)Fractional distillation method is used to separate different fractions of crude oil in petroleum industry.

1 (I), (II), and (IV)
2 (II), (III), and (IV)
3 (I), (II), and (III)
4 (I), (II), (III), and (IV)
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317340 Which of the following solution pairs can be separated by fractional distillation?

1 Water - \(\mathrm{HNO}_{3}\)
2 Water -HCl
3 Benzene-toluene
4 \(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}\) - water
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317341 Fractional distillation is a process by which the separation of different fractions from a mixture of solution is based upon

1 freezing point
2 boiling point
3 melting point
4 solubility
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317342 Assertion :
Chloroform and benzene form a pair of miscible liquids and they are separated by fractional distillation.
Reason :
Boiling point of benzene is less than that of chloroform.

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.
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317343 Assertion :
Acetone and methyl alcohol are separated by fractional distillation.
Reason :
The boiling point of acetone is less than methyl 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 Assertion is incorrect but Reason is correct.
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CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317339 Which of the following statements are correct about fractional distillation?
(I) Fractional distillation method is used if the two liquids have sufficiently large difference in their boiling points.
(II) A fractionating column provides many surfaces for heat exchange between the ascending vapours and the descending condensed liquid.
(III)Each successive condensation and vaporisation unit in the fractionating column is called a theoretical plate.
(IV)Fractional distillation method is used to separate different fractions of crude oil in petroleum industry.

1 (I), (II), and (IV)
2 (II), (III), and (IV)
3 (I), (II), and (III)
4 (I), (II), (III), and (IV)
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317340 Which of the following solution pairs can be separated by fractional distillation?

1 Water - \(\mathrm{HNO}_{3}\)
2 Water -HCl
3 Benzene-toluene
4 \(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}\) - water
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317341 Fractional distillation is a process by which the separation of different fractions from a mixture of solution is based upon

1 freezing point
2 boiling point
3 melting point
4 solubility
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317342 Assertion :
Chloroform and benzene form a pair of miscible liquids and they are separated by fractional distillation.
Reason :
Boiling point of benzene is less than that of chloroform.

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.
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317343 Assertion :
Acetone and methyl alcohol are separated by fractional distillation.
Reason :
The boiling point of acetone is less than methyl 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 Assertion is incorrect but Reason is correct.
NEET DIGITAL LIBRARY
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317339 Which of the following statements are correct about fractional distillation?
(I) Fractional distillation method is used if the two liquids have sufficiently large difference in their boiling points.
(II) A fractionating column provides many surfaces for heat exchange between the ascending vapours and the descending condensed liquid.
(III)Each successive condensation and vaporisation unit in the fractionating column is called a theoretical plate.
(IV)Fractional distillation method is used to separate different fractions of crude oil in petroleum industry.

1 (I), (II), and (IV)
2 (II), (III), and (IV)
3 (I), (II), and (III)
4 (I), (II), (III), and (IV)
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317340 Which of the following solution pairs can be separated by fractional distillation?

1 Water - \(\mathrm{HNO}_{3}\)
2 Water -HCl
3 Benzene-toluene
4 \(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}\) - water
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317341 Fractional distillation is a process by which the separation of different fractions from a mixture of solution is based upon

1 freezing point
2 boiling point
3 melting point
4 solubility
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317342 Assertion :
Chloroform and benzene form a pair of miscible liquids and they are separated by fractional distillation.
Reason :
Boiling point of benzene is less than that of chloroform.

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.
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317343 Assertion :
Acetone and methyl alcohol are separated by fractional distillation.
Reason :
The boiling point of acetone is less than methyl 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 Assertion is incorrect but Reason is correct.