MCQ
Correct for physical adsorption is
- A$\Delta S = \oplus ve$
- ✓$\Delta G = \Theta ve$
- C$\Delta H = \oplus ve$
- DNone of these
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$\mathrm{C}\mathrm{H}_{3} -\mathrm{C} \equiv \mathrm{CH} \xrightarrow[873\;K]{\text { red hot iron tube}} \mathrm{A}$
the number of sigma$(\sigma)$ bonds present in the product $A$ is