Which of the following catalysts is commonly used during the production of ammonia by the Haber process?

  • A
    Finely divided platinum with nickel promoter
  • B
    Finely divided nickel with platinum promoter
  • C
    Finely divided iron with molybdenum promoter
  • D
    Finely divided palladium with zinc promoter

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Similar Questions

Match List-$I$ with List-$II$.
List-$I$ (Processes/Reactions) List-$II$ (Catalyst)
$A. 2 SO_{2(g)} + O_{2(g)} \rightarrow 2 SO_{3(g)}$ $I. V_{2}O_{5}$
$B. 4 NH_{3(g)} + 5 O_{2(g)} \rightarrow 4 NO_{(g)} + 6 H_{2}O_{(g)}$ $II. Pt_{(s)}-Rh_{(s)}$
$C. N_{2(g)} + 3 H_{2(g)} \rightarrow 2 NH_{3(g)}$ $III. Fe_{(s)}$
$D. \text{Vegetable oil}(l) + H_{2} \rightarrow \text{Vegetable ghee}(s)$ $IV. Ni_{(s)}$

Choose the correct answer from the options given below.

Fill in the blanks:
$1.$ $TiCl_4$ with $Al(CH_3)_3$ is called ............ catalyst.
$2.$ In the Haber process,ammonia is produced from a mixture of ............ .

In the case of auto catalysis:

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

Zeolites are:

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