What is the function of resorcinol in Seliwanoff’s test?

Questions answers on GATE Life Sciences (XL)
What does Krebs cycle produce?
How much ATP does the Krebs cycle produce?
How much ATP is produced in Krebs cycle?
Is the Krebs cycle aerobic or anaerobic?
Where in the cell does Krebs cycle occur?
What are products of the Krebs cycle?