1.

What is the effect of temperature and pressure on the yields of products? a. `N_(2)(s)+3H_(2)(g) hArr 2NH_(3)+x cal` b. `N_(2)(g)+O_(2)(g) hArr 2NO(g)-y cal` c. `2SO_(2)(g)+O_(2)(g) hArr 2SO_(3)(g)+46.9 kcal` d. `PCl_(5)(g) hArr PCl_(3)(g)+Cl_(2)(g)-15.0 kcal`A. (ii),(iii)B. (ii),(iii),(iv)C. (i),(ii)(iii)D. (iv)

Answer» Correct Answer - A
Heterogenous catlysis involved both in (ii) and (iii) because metal catalysts are used.


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