What effect will be produced in a chemical reaction if no catalyst is used ?
Are there any reaction where the catalysts are very essential ?

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Solution

$T h e r a t e o f t h e r e a c t i o n i s i n c r e a s e d b y t h e p r e s e n c e o f c a t a l y s t . I f n o c a t a l y s t i s u s e d, t h e r e a c t i o n m a y o c c u r s l o w l y . C a t a l y s t s a r e i m p o r \tan t i n i n d u s t r i a l p r o c e s s . F o r e x ., (a) F i n e l y p o w d e r e d n i c k e l i s u s e d f o r t h e h y d r o g e n a t i o n o f o i l s . (b) F i n e l y d i v i d e d v a n a d i u m p e n t o x i d e (V_{2} O_{5}) i s u s e d i n t h e C o n t a c t P r o c e s s f o r t h e m a n u f a c t u r e o f s u l p h u r i c a c i d . (c) P t, P d a r e u s e d i n m a n y i n d u s t r i a l p r o c e s s e s a s c a t a l y s t .$

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What effect will be produced in a chemical reaction if no catalyst is used ? Are there any reaction where the catalysts are very essential ?

What effect will be produced in a chemical reaction if no catalyst is used ?
Are there any reaction where the catalysts are very essential ?