MCQ
For a reversible spontaneous change $\Delta S$ is
- A$\frac{{\Delta E}}{T}$
- B$\frac{{P\,\Delta V}}{T}$
- ✓$\frac{q}{T}$
- D$RT\, log\, K$
$\Delta s =\frac{\int dq \cdot rev }{ T }$
$\int dq \cdot$ rev.q (for rev. provess)
$\Delta s =\frac{ q }{ T }$
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$A.$ The electron gain enthalpy of $F$ is more negative than that of $Cl$
$B.$ Ionization enthalpy decreases in a group of periodic table
$C.$ The electronegativity of an atom depends upon the atoms bonded to it.
$D.$ $Al _2 O _3$ and $NO$ are examples of amphoteric oxides.
Choose the most appropriate answer from the options given below: