MCQ
Free energy change for the process $\ce{A(s)\leftrightarrow B(l)}$ will be :
- ✓$0$
- B$1$
- C$2$
- D$3$
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[Given $pK _{ a }$ of $CH _{3} COOH =4.57$ ]
Statement $I :$ Rutherford's gold foil experiment cannot explain the line spectrum of hydrogen atom.
Statement $II :$ Bohr'smodel of hydrogen atom contradicts Heisenberg's uncertainty principle.
In the light of the above statements, choose the most appropriate answer from the options given below :