A catalyst has no effect on

Energy of reactants

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Energy of products

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Enthalpy change of a reaction

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All of the above

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Solution

The correct option is D
All of the above

A catalyst has no effect on energy of reactants, energy of products and enthalpy change of a reaction.

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Similar questions

Mark the incorrect statements.
(a)Catalyst provides an alternative pathway to reaction mechanism
(b)Catalyst raises the activation energy
(c)Catalyst lowers the activation energy
(d)Catalyst alters enthalpy change of the reaction

Q. Match the following

\begin{matrix} a) & a & (i) & A c t i v a t i o n e n e r g y o f f o r w a r d r e a c t i o n b) & b & (i i) & C h a n g e i n e n t h a l p y c) & c & (i i i) & A c t i v a t i o n e n e r g y o f b a c k w a r d r e a c t i o n d) & d & (i v) & P o t e n t i a l E n e r g y o f R e a c t a n t s e) & e & (v) & P o t e n t i a l e n e r g y o f P r o d u c t s \end{matrix}

The role of a catalyst is to change ...... .
(a) Gibbs energy of reaction
(b) enthalpy of reaction
(c) activation energy of reaction
(d) equilibrium constant

Match the following

$\begin{matrix} S.No & Column I & Column II a) & a & (i) Activation energy of forward reaction b) & b & (ii) Change in enthalpy c) & c & (iii) Activation energy of backward reaction d) & d & (iv) Potential Energy of Reactants e) & e & (v) Potential energy of Products \end{matrix}$

Q. For a given reaction, energy of activation for forward reaction

(E_{a f})

80 k J m o l^{- 1}

. Enthalpy change,

Δ H = - 40 k J m o l^{- 1}

for the reaction. A catalyst lowers

E_{a f}

20 k J

m o l^{- 1}

. The ratio of energy of activation for reverse reaction before and after addition of catalyst is:

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A catalyst has no effect on

The correct option is D All of the above A catalyst has no effect on energy of reactants, energy of products and enthalpy change of a reaction.

The correct option is D
All of the above

A catalyst has no effect on energy of reactants, energy of products and enthalpy change of a reaction.