MCQ
A schematic plot of versus inverse of temperature for a reaction is shown below The reaction must be


- ✓Exothermic
- BEndothermic
- COne with negligible enthalpy change
- DHighly spontaneous at ordinary temperature

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Assertion : For hydrogenation reactions, the catalytic activity increases from Group $5$ to Group $11$ metals with maximum activity shown by Group $7-9$ elements.
Reason : The reactants are most strongly adsorbed on group $7-9 $ elements.
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The frequency of the wave is $\mathrm{x} \times 10^{19} \mathrm{~Hz}$. $x=$ . . . . (nearest integer)