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

317317 The separation of mixture of two compounds by chromatographic technique is based upon

1 Differential solubilities
2 Different densities
3 Different absorption
4 Differential adsorption
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317318 Chromatographic technique/s based on the principle of differential adsorption is/are
(I) Column chromatography
(II) Thin layer chromatography
(III) Paper chromatography
Choose the most appropriate answer from the options given below

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

317319 From the figure of column chromatography given below, identify incorrect statements.
supporting img

A. Compound 'c' is more polar than 'a' and 'b'.
B. Compound 'a' is least polar.
C. Compound 'b' comes out of the column before 'c' and after 'a'.
D. Compound 'a' spends more time in the column.
Choose the correct answer from the options given below.

1 A, B and C only
2 B and D only
3 B, C and D only
4 A, B and D only
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317320 Which of the following statement is correct for paper chromatography?

1 Paper sheet forms the stationary phase.
2 Water present in the pores of the paper forms the stationary phase.
3 Paper and water present in its pores together form the stationary phase.
4 Water present in the mobile phase gets absorbed by the paper which then forms the stationary phase.
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317317 The separation of mixture of two compounds by chromatographic technique is based upon

1 Differential solubilities
2 Different densities
3 Different absorption
4 Differential adsorption
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317318 Chromatographic technique/s based on the principle of differential adsorption is/are
(I) Column chromatography
(II) Thin layer chromatography
(III) Paper chromatography
Choose the most appropriate answer from the options given below

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

317319 From the figure of column chromatography given below, identify incorrect statements.
supporting img

A. Compound 'c' is more polar than 'a' and 'b'.
B. Compound 'a' is least polar.
C. Compound 'b' comes out of the column before 'c' and after 'a'.
D. Compound 'a' spends more time in the column.
Choose the correct answer from the options given below.

1 A, B and C only
2 B and D only
3 B, C and D only
4 A, B and D only
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317320 Which of the following statement is correct for paper chromatography?

1 Paper sheet forms the stationary phase.
2 Water present in the pores of the paper forms the stationary phase.
3 Paper and water present in its pores together form the stationary phase.
4 Water present in the mobile phase gets absorbed by the paper which then forms the stationary phase.
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317317 The separation of mixture of two compounds by chromatographic technique is based upon

1 Differential solubilities
2 Different densities
3 Different absorption
4 Differential adsorption
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317318 Chromatographic technique/s based on the principle of differential adsorption is/are
(I) Column chromatography
(II) Thin layer chromatography
(III) Paper chromatography
Choose the most appropriate answer from the options given below

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

317319 From the figure of column chromatography given below, identify incorrect statements.
supporting img

A. Compound 'c' is more polar than 'a' and 'b'.
B. Compound 'a' is least polar.
C. Compound 'b' comes out of the column before 'c' and after 'a'.
D. Compound 'a' spends more time in the column.
Choose the correct answer from the options given below.

1 A, B and C only
2 B and D only
3 B, C and D only
4 A, B and D only
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317320 Which of the following statement is correct for paper chromatography?

1 Paper sheet forms the stationary phase.
2 Water present in the pores of the paper forms the stationary phase.
3 Paper and water present in its pores together form the stationary phase.
4 Water present in the mobile phase gets absorbed by the paper which then forms the stationary phase.
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317317 The separation of mixture of two compounds by chromatographic technique is based upon

1 Differential solubilities
2 Different densities
3 Different absorption
4 Differential adsorption
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317318 Chromatographic technique/s based on the principle of differential adsorption is/are
(I) Column chromatography
(II) Thin layer chromatography
(III) Paper chromatography
Choose the most appropriate answer from the options given below

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

317319 From the figure of column chromatography given below, identify incorrect statements.
supporting img

A. Compound 'c' is more polar than 'a' and 'b'.
B. Compound 'a' is least polar.
C. Compound 'b' comes out of the column before 'c' and after 'a'.
D. Compound 'a' spends more time in the column.
Choose the correct answer from the options given below.

1 A, B and C only
2 B and D only
3 B, C and D only
4 A, B and D only
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317320 Which of the following statement is correct for paper chromatography?

1 Paper sheet forms the stationary phase.
2 Water present in the pores of the paper forms the stationary phase.
3 Paper and water present in its pores together form the stationary phase.
4 Water present in the mobile phase gets absorbed by the paper which then forms the stationary phase.