Dextrorotation and Levorotation

Q.

Which of the following compounds produces an optically inactive compound on hydrogenation?

Q.

Which of these atoms in a molecule is responsible for dextro or levorotation of plane-polarized light?

1. Terminal carbon atoms

2. Asymmetric/chiral carbons

3. Functional group

4. Carbonyl group

Q. The property of glucose to rotate the plane of polarised light is due to the presence of asymmetrical carbon atoms in its structure.

1. True
2. False

Q.

Which of these atoms in a molecule is responsible for dextro or levorotation of plane-polarized light?

1. Terminal carbon atoms

2. Carbonyl group

3. Asymmetric/chiral carbons

4. Functional group

Q. Which of these sugars is laevorotatory?

1. Fructose
2. Glucose
3. Maltose
4. Sucrose

Q. Most sugars are dextrorotatory which means they

1. Tilt light to left
2. Tilt light to right
3. Rotate polarised light to right
4. Rotate polarised light to left

Q.

Which of these atoms in a molecule is responsible for dextro or levorotation of plane-polarized light?

1. Terminal carbon atoms

2. Carbonyl group

3. Asymmetric/chiral carbons

4. Functional group