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: $C_{12}H_{22}O_{11(aq)} + H_2O_{(l)} \xrightarrow{H^+_{(aq)}} 	ext{Glucose}_{(aq)} + 	ext{Fructose}_{(aq)}$ $2SO_{2(g)} + O_{2(g)} \xrightarrow{NO_{(g)}} 2SO_{3(g)}$

List-$I$ (Reaction)	List-$II$ (Catalyst)
$A$. $N_{2(g)} + 3H_{2(g)} \longrightarrow 2NH_{3(g)}$	$I$. $Ni$
$B$. $2H_{2(g)} + O_{2(g)} \longrightarrow 2H_2O_{(l)}$	$II$. $Pt$
$C$. $CO_{(g)} + 3H_{2(g)} \longrightarrow CH_{4(g)} + H_2O_{(g)}$	$III$. $ZnO-Cr_2O_3$
$D$. $CO_{(g)} + 2H_{2(g)} \longrightarrow CH_3OH_{(g)}$	$IV$. $Fe$

Which one is an example of heterogeneous catalysis?

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