Question

Expline procee of catalysis

Answer 1

Answer:

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Explanation:

Catalysis is a process in which a chemical reaction takes place in a faster rate with the help of catalyst.

Habers Process :

$N_{2} + 3H_{2} → 2NH_{3}$

Fe is the catalyst and Mo is the promoter. The surface of Fe catalyses the reaction.

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Answer 2

$\bold{\color{blue}{\text{The catalysis is a phenomena which increase the rate }}}$

$\bold{\color{blue}{\text{of reaction by involving some compounds which do}}}$

$\bold{\color{blue}{\text{not affect the concentration or medium and remain}}}$

$\bold{\color{blue}{\text{unreacted after reaction such reagents are known as}}}$

$\bold{\color{blue}{\text{catalysts which are that type of chemical compound}}}$

$\bold{\color{blue}{\text{or species which do not take part in reaction but}}}$

$\bold{\color{blue}{\text{increases the rate of reaction by lowering the activation}}}$

$\bold{\color{blue}{\text{energy and at the end of reaction it is found to be}}}$

$\bold{\color{blue}{\text{unreacted.}}}$

The catalysis is broadly classified between two groups

• Homogeneous catalysis :- it involves the use of such catalyst which are in the same phase as the reactants in the reaction medium. For example :- use of gaseous chlorine catalyst to break down gaseous ozone.

• Heterogeneous catalysis :- It involves the use of such catalyst which is in different phase from the reaction medium. For example :- use of metal catalysts like Ni, Cu etc in various liquid chemical reactions.