In which of these processes is platinum used as a catalyst?

  • A
    Oxidation of ammonia to form $HNO_3$
  • B
    Hardening of oils
  • C
    Production of synthetic rubber
  • D
    Synthesis of methanol

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Similar Questions

Match the following.
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$. $Fe$

The correct answer is:

Which statement from the following about nanomaterials is $NOT$ correct?

Match the catalyst (Column-$I$) with products (Column-$II$)
Column-$I$ Catalyst Column-$II$ Product
$(a)$ $V_2O_5$ $(i)$ Polyethylene
$(b)$ $TiCl_4/Al(Me)_3$ $(ii)$ Ethanal
$(c)$ $PdCl_2$ $(iii)$ $H_2SO_4$
$(d)$ Iron oxide $(iv)$ $NH_3$

$A$ catalyst:

According to the adsorption theory of catalysis,the rate of reaction increases because:

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