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For the reaction at 298 K 2A+B rarr C ...

For the reaction at `298 K`
`2A+B rarr C`
`DeltaH=400 kJ mol^(-1)` and `DeltaS=0.2 kJ K^(-1) mol^(-1)`
At what temperature will the reaction becomes spontaneous considering `DeltaH` and `DeltaS` to be contant over the temperature range.

A

(a)`2000 K`

B

(b)`1800 K`

C

(c )`2100 K`

D

(d)`1900 K`

Text Solution

Verified by Experts

The correct Answer is:
C
`Tgt (DeltaH)/(DeltaS) gt 400/0.2 gt 2000 K`
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