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The energy diagram of a reaction P + Q t...

The energy diagram of a reaction `P + Q to R + S`
is given. What are A and B in the graphs?

A

A `to` activation energy, B `to` heat of reaction

B

A `to` threshold energy, B `to` heat of reaction

C

A `to` heat of reaction, B `to` activation energy

D

A `to` potential energy, B `to` energy of reaction

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The correct Answer is:
A
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