Which one is an example of heterogeneous cata | vedclass

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(A) The combination of $N_2$ and $H_2$ to form $NH_3$ in the presence of finely divided $Fe$ is an example of heterogeneous catalysis because the cata

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Combination between dinitrogen and dihydrogen to form ammonia in the presence of finely divided iron

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(A) The combination of $N_2$ and $H_2$ to form $NH_3$ in the presence of finely divided $Fe$ is an example of heterogeneous catalysis because the catalyst $(Fe_{(s)})$ is in a different physical state than the reactants ($N_2(g)$ and $H_2(g)$). $N_{2(g)} + 3H_{2(g)} \xrightarrow{Fe_{(s)}} 2NH_{3(g)}$ All other options are examples of homogeneous catalysis where the catalyst and reactants are in the same phase: $C_{12}H_{22}O_{11(aq)} + H_2O_{(l)} \xrightarrow{H^+_{(aq)}} 	ext{Glucose}_{(aq)} + 	ext{Fructose}_{(aq)}$ $2SO_{2(g)} + O_{2(g)} \xrightarrow{NO_{(g)}} 2SO_{3(g)}$

Column-$I$	Column-$II$
$A$. Haber's process for ammonia	$P$. Zeolite
$B$. Oswald's process for $HNO_3$	$Q$. $Fe$
$C$. Contact process for $H_2SO_4$	$R$. $V_2O_5$
$D$. Cracking of hydrocarbons	$S$. $Pt$ gauge

Which one is an example of heterogeneous catalysis?

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