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In which of the following processes, pla...

In which of the following processes, platinum is 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

Text Solution

Verified by Experts

The correct Answer is:
A
Platinum acts as catalyst in the oxidation of ammonia to form nitric oxide. This reaction is used in the Ostwald's method of nitric acid preparation
`4NH_(3)+5O_(2)overset(Pt)underset(750^(@)C)rarr4NO+6H_(2)O`
`2NO_(2)+O_(2)rarr2NO_(2)`
`4NO_(2)+O_(2)+2H_(2)Orarr4HNO_(3)`
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ERRORLESS -D & P-BLOCK ELEMENTS-Ordinary Thinking (Compounds of d & f block elements)
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  2. The extraction of which of the following metals involves bessemerisati...

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  3. In which of the following processes, platinum is used as a catalyst

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  4. Iron is dropped in dil. HNO(3) , it gives

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  5. The metal present in insulin is

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  6. Which one of the following is a wrong statement about cast iron

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  7. Which of the following is wrongly matched

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  8. Carbon monoxide reacts with iron to form

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  9. The reaction, which forms nitric oxide, is

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  10. A cuprous ore among the following is :

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  11. Iron loses magnetic property at

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  12. Heat treatment alters the properties of steel due to

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