Question
The standard Gibbs energy ( G^0 ) for the following reaction is aligned & A ( s )+ B ^ 2+ ( aq ) A ^ 2+ ( aq )+ B ( s ), K _ c =10^ 12 at \\ & 25^ C aligned ( K _c= . equilibrium constant )
BITSAT
Chemistry
Thermodynamics (C)
2024
BITSAT 2024 (Memory Based Paper 2)
BITSAT Chemistry Question (2024) — Solution
Options
- A. -150 ~kJ
- B. -96.80 ~kJ
- C. -68.47 ~kJ
- D. -100 kJ
Answer
C. -68.47 ~kJ
Step-by-step solution
A + B ^ 2+ A ^ 2+ + B G ^ =- RT K _ c =-8.314 298 2.303 10^ 12 =68.47 ~kJ / mol
Related: Chemistry — Thermodynamics (C) · All PYQ Banks