1a. Arrange the following solvents in their decreasing order of polarity.

1. Hexanes

2. Ethylacetate

3. Methanol

4. Acetone

5. Dichloromethane

Group of answer choices

a. 3>4>5>2>1

b. 1>2>3>4>5

c. 5>4>3>2>1

d. 1>2>5>4>3

During Column chromatography of the reaction mixture obtained after the conversion of benzaldehyde to benzyl alcohol, Which compound is expected to come out of the column first (normal phase chromatography)

Group of answer choices

a. Benzaldehyde

b. Benzyl alcohol

c. this mixture can not be separated using column chromatopgraphy