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Question

Ammonia is synthesized by:


A

Haber's process

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B

contact process

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C

Ostwald's process

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D

Both (a) and (c)

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Solution

The correct option is A

Haber's process


  1. Explanation
    In Haber's process, “the atmospheric nitrogen (N2) is converted to ammonia (NH3) by reacting it with hydrogen (H2). Here a metal catalyst is used and high temperatures and pressures are maintained. Air supplies the nitrogen.
    N2g+3H2g2NH3g
  2. The explanation for incorrect answers Contact process is for the manufacture of Sulfuric acidH2SO4 Sg+O2gSO2g2SO2g+O2g2SO3gSO3g+H2SO4aqH2S2O7aqH2S2O7aq+H2SO4aq2H2SO4aq Ostwald process is for the manufacture of Nitric acidHNO3 3NO2g+H2Ol2HNO3aq+NOg

Hence, ammonia is synthesized by Haber's process.


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