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Chemicals A and B each initially at 20^(...

Chemicals A and B each initially at `20^(@)C` react exothermically. A graph of the final temperature reached by mixing equimolar solutions of A and B to a total of `100 mL` is given below. According to this graph, in what mole ratio does A and B react ?

A

`2 :1`

B

`3:1`

C

`4:1`

D

`3:2`

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The correct Answer is:
B
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