| (1) lowering the temperature |
| (2) low pressure |
| (3) excess of \[{{N}_{2}}\] |
| (4) excess of \[{{H}_{2}}\] |
A) (2) and (4) are correct
B) (2) only is correct
C) (1), (2) and (3) are correct
D) (3) and (4) are correct
E) (1), (3) and (4) are correct
Correct Answer: E
Solution :
\[{{N}_{2}}(g)+3{{H}_{2}}(g)2N{{H}_{3}}(g)\] \[\Delta H=-93.6\,kJ\,mo{{l}^{-1}}\] This reaction is exothermic therefore the concentration of\[N{{H}_{3}}\]can be increased by lowering the temperature, high pressure, \[(\Delta n<0)\]excess of\[{{N}_{2}}\]and\[{{H}_{2}}\].
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