The value of activation energy is primarily determined by_______________?

Related Mcqs:

1. Energy of activation for backward reaction is less than forward reaction for ___________ reactio?

   A. Endothermic
   B. Exothermic
   C. Moderate
   D. Fast

2. The relatively high energy of the gauche conformation of butane is primarily associated with_________?

   A. Angle strain
   B. Torsional strain
   C. Steric strain
   D. Orbital strain

   Submitted by: Muhammad Ali Kunbhar

3. An element having low value of ionization energy and low value of electron affinity is likely to belong to__________________?

   A. Group IA
   B. Group IB
   C. Group VIIA
   D. Group VIII

4. Energy of reactant higher than energy of product favours A. Endothermic_______________?

   B. Exothermic
   C. Moderate reaction
   D. No reaction

5. The magnetic quantum number (QN) has its values determined directly by the value of_______________?

   A. Principal (QN)
   B. Azimuthal (QN)
   C. Spin (QN)
   D. Both A & B

6. The absolute value of charge on electron was determined by ________ ?

   A. J.J.Thomson
   B. Chadwick
   C. Rutherford
   D. Robert Millikan

   Submitted by: Rashid Mehmood

7. In which of the following type of reactions energy of reactant is greater than energy of product________________?

   A. endothermic
   B. exothermic
   C. unpredictable
   D. same

8. Orbitals of same energy produced after mixing of orbitals of different energy are called __________________?

   A. Degenerate orbitals
   B. Generate orbitals
   C. Hybrid orbitals
   D. Zeeman orbitals

9. When the reaction completes in more than one steps rate of reaction will be determined by________________?

   A. Fast step
   B. Slowest step
   C. All steps
   D. Molecularity of the reaction

10. Vapour pressure is not affected by_______________?

    A. Surface area
    B. temperature
    C. intermolecular forces
    D. atmospheric pressure