CBSE Class 12-science Answered
what is catalyst? Give an example of reaction to show.
Asked by tlb2bpartner | 21 Aug, 2019, 22:28: PM
Catalyst:
Substances which alter the rate of a chemical reaction and themselves remain chemically unchanged after the reaction are known as catalysts.
Example:
In the procss of manufacturing of ammonia Fe is used as catalyst.
![straight N subscript 2 subscript open parentheses straight g close parentheses end subscript end subscript space plus space 3 straight H subscript 2 subscript open parentheses straight g close parentheses end subscript end subscript space space space space rightwards arrow with Fe on top space space space 3 NH subscript 3 subscript open parentheses straight g close parentheses end subscript end subscript
SO subscript 2 subscript open parentheses straight g close parentheses end subscript end subscript space plus space straight O subscript 2 subscript open parentheses straight g close parentheses end subscript end subscript space space rightwards arrow with straight V subscript 2 straight O subscript 5 space space space space space on top space space space space space 2 SO subscript 3 subscript open parentheses straight g close parentheses end subscript end subscript](https://images.topperlearning.com/topper/tinymce/cache/e55bdaf904ce783263d31367974b2404.png)
Answered by Varsha | 22 Aug, 2019, 10:11: AM
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