Question

The equivalent weight of glucose in C6H12O6 + 6O2 = 6CO2 + 6H20

Answer 1

For this reaction, the mass of carbon dioxide and glucose involved are the product of thier molar mass and the number of moles of each compound involved in the reaction. 
                    carbon dioxide:   6 x (12 + 2 x 16) = 264
                        glucose       :   1 x (6 x 12 + 12 + 6 x 16) = 180
Divide their masses to get the equivalent weights. The answer is 22/15 or 11/7.5.

Answer 2

In order to determine equivalent weight 

change in oxidation  per state molecule = + 24 - 0

So the equivalent weight is M/24 

Mass of glucose = 180 g/mol 

Glucose is neither acid nor basic so ...

its equivalent mass = atomic mass / electron transferred 

                                = 180 / 72 = 60/24 = 30/12 = 15/6 = 5/2 

As glucose have 72 valence electrons