$A$ catalyst in a chemical reaction

  • A
    Does not initiate a reaction
  • B
    Increases the activation energy of the reaction
  • C
    Changes the equilibrium constant of a reaction
  • D
    Does not change the rate of the reaction

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Which of the following is $NOT$ a characteristic of a catalyst?

In which of the following processes does shape-selective catalysis occur?

During the preparation of $NH_3$ in Haber's process, the promoter$(s)$ used is / are -

What is a catalyst? What is an inhibitor?

Match the catalyst given in List-$I$ with the process in List-$II$.
List-$I$ (Catalyst) List-$II$ (Process)
$A$. $Ni$ in presence of $H_2$ $1$. Ziegler-Natta catalyst
$B$. $Cu_2Cl_2$ $2$. Contact process
$C$. $V_2O_5$ $3$. Hydrogenation of vegetable oils
$D$. Finely divided iron $4$. Sandmeyer reaction
$E$. $TiCl_4 + Al(CH_3)_3$ $5$. Haber process
$6$. Decomposition of $KClO_3$

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