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Which of the following transition elements are used in the preparation of $NH_3$ by haber's process?

(1) Fe $\quad$ (2) FeCl$_3 \quad$ (3) FeSO$_4 \quad$ (4) MnO$_2$
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Answer: Fe
The Haber process, also called the Haber–Bosch process, is the industrial implementation of the reaction of nitrogen gas and hydrogen gas. It is the main industrial procedure to produce ammonia
$\quad N_2(g) + 3H_2(g) \rightarrow 2NH_3(g)$
Iron is used to increase the rate of reaction and to lower the temperature at which the reaction takes place.
answered Jan 29, 2014 by sreemathi.v
edited Aug 4, 2014 by balaji.thirumalai

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