Pyridine come under which category of heterocycle classification on the basis of chemical behavior?

can‚Äö√Ñ√∂‚àö√ë‚àö¬•t say about the five membered rings

Pyridine come under which category of heterocycle classification on th

1.	Pyridine come under which category of heterocycle classification on the basis of chemical behavior?
A.	-excessive heterocycle
B.	-deficient heterocycle
C.	-equivalent heterocycle
D.	can‚Äö√Ñ√∂‚àö√ë‚àö¬•t say about the five membered rings
Answer» C. -equivalent heterocycle