Question

which elements is present as hetero
atom in thiophene and pyridine
respectively
vaien​

Answer 1

Answer:

Please give me a brain mark

Explanation:

Explanation: molecule of pyridine contains a ring of six atoms—five carbon atoms and one nitrogen atom. Pyrrole, furan, and thiophene molecules each contain five-membered rings, composed of four atoms of carbon and one atom of nitrogen, oxygen, or sulfur, respectively.

Answer 2

Answer:

The velocity of an object is the rate of change of its position with respect to a frame of reference, and is a function of time. Velocity is equivalent to a specification of an object's speed and direction of motion.

Explanation:

please drop 25 thanks❤

#Nami-Chan