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Byju's Answer

Standard XII

Biology

Absorption of Minerals

Among the fol...

Question

Among the following which of the following statements is true?

A catalyst cannot lower the activation energy.

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A catalyst can lower the activation energy

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A catalyst affect only the activation energy of the forward reaction

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A catalyst affects only the activation energy of the reverse reaction

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A calatyst is permanently changed after the activation energy is released

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Solution

The correct option is C A catalyst can lower the activation energy
A catalyst can lower the activation energy. It provides an alternate path for lower activation energy.

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Similar questions

Q. Statement

1

: A catalyst increases the equilibrium of a reaction.
Statement

2

: Catalysts only lower the activation energy of the forward reaction.

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

(E_{a f}) i s 80 k J . m o l^{- 1} . Δ H = - 40 k J . m o l^{- 1}

for the reaction. A catalyst lowers

E_{a f} t o 20 k J . m o l^{- 1}

. Find out the ratio of energy of activation for reverse reaction before and after addition of catalyst.

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

(E_{a f})

80 k J / m o l

Δ H = - 40 k J / m o l

for the reaction. A catalyst lowers

E_{a f}

20 k J / m o l

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

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

(E_{a f})

80 k J . m o l^{- 1} .

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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Among the following which of the following statements is true?

The correct option is C A catalyst can lower the activation energyA catalyst can lower the activation energy. It provides an alternate path for lower activation energy.

The correct option is C A catalyst can lower the activation energy
A catalyst can lower the activation energy. It provides an alternate path for lower activation energy.