Test Index

NCERT Class XII Chemistry
Chapter - General Principle of Process of Isolation of Elements
Questions with Solutions

© examsnet.com
Question : 30
Total: 31
The reaction, Cr2O3+2Al –––––▶Al2O3+2Cr (∆G°=– 421kJ) is thermodynamically feasible as is apparent from the Gibbs energy value. Why does it not take place at room temperature?
Solution:  
Certain amount of activation energy is essential even for suchreactions which are thermodynamically feasible, therefore heating isrequired.
© examsnet.com
Go to Question:
Prev Question
Next Question