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A catalyst...

A catalyst

A

increases the average kinetic energy of reacting molecules

B

increases the activation energy

C

alters the reaction mechanism

D

increases the frequency of collisions of reacting species

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • The following are some statements about characteristics of catalyst I) A catalyst generally function under the optimum conditions like pH, temperature II) A catalyst has a selective action III) Small amount of the catalyst is sufficient The correct combination is

    A
    All are correct
    B
    Only I and II
    C
    Only II and III
    D
    Only II

  • Enzymes are biological catalysts that differ from non - biolgical catalysts basically in

    A
    Non - protein nature
    B
    Protein nature
    C
    Being not utilized in reaction
    D
    Maintaining equilibrium of reaction

  • Lindlar's catalyst is

    A
    Pt in ethanol
    B
    `pd + BaSO_4 `
    C
    Ni in ethanol
    D
    Na in liq. `NH_3 `

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