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Chemistry
7. The p-block Elements
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Q39 of 72 Page 96

Write a balanced chemical equation for the reaction showing catalytic oxidation of NH3 by atmospheric oxygen.

NH3 + O2 4NO + 6H2O

In this reaction Pt gauze react as a catalyst, which is added to increase the rate of reaction.


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37

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In the preparation of H2SO4 by Contact Process, why is SO3 not absorbed directly in water to form H2SO4?

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Write the structure of pyrophosphoric acid.

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PH3 forms bubbles when passed slowly in water but NH3 dissolves. Explain why?

Questions · 72
7. The p-block Elements
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