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Chemistry
Which of the following is an endothermic reaction?
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Q. Which of the following is an endothermic reaction?
Thermodynamics
A
$3 H _{2}+ N _{2} \rightarrow 2 NH _{3}$
B
$C + O _{2} \rightarrow CO _{2}$
C
$PCl _{3}+ Cl _{2} \rightarrow PCl _{5}$
D
$N +1 / 2 O _{2} \rightarrow NO$
Solution:
Correct answer is (d) $N +1 / 2 O _{2} \rightarrow NO$