Identify each pair of relationships among the -OH groups in glucose ( red-blue, red-black, blue-green, blue- black, green-black) as cis or trans?

In glucose, the -OH groups are attached to the carbon atoms in the molecule. To determine the cis or trans relationship between each pair of -OH groups, we need to consider the spatial arrangement of these groups.

1. Red-Blue: Trans
2. Red-Black: Trans
3. Blue-Green: Cis
4. Blue-Black: Trans
5. Green-Black: Trans