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निम्न अभिक्रियाओं में से किस्मे मानक एंटोपि परिवर्तन `(DeltaS^@)` घनातम है तथा ताप के बढ़ने से गिब्ज़ परिवर्तन `(DeltaG^@)` तेजी से घटता है :
A. `C_("फ्रेफाइट")+1/2O_(2)(g)toCO(g)`
B. `CO(g)+1/2O_(2)(g)toCO(g)`
C. `Mg(s)+1/2O_(2)(g)to MgO(s)`
D. `1/2C_("ग्रेफाइट")+1/2O_(2)(g)to1/2CO_(2)(g)`

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Correct Answer - D
`C_("ग्रेफाइट")+1/2""O_(2)toCO(g)`में `डेलटस^(@)=+ve`
`because" "DeltaG^(@)-TDeltaS^(@)` से, T में व्रतधी होने पर `DeltaG^(@)` का मान घटता है |

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