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Deltan, the change in a chemical reactio...

`Deltan`, the change in a chemical reaction at constant volume is given reaction, `C_(12)H_(22)O_(11)(s)+12O_2(g) rarr12CO_2(g)+11H_2O(l)` at `25^@C` is :

A

zero

B

`-1`

C

2

D

4

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