The number of molecules taking part in the rate determining step is called___________________?

Related Mcqs:

1. A process in which large molecules are broken up into into smaller molecules is called as_____.

   A. Reforming
   B. Cracking
   C. Refining
   D. Isomerization

   Submitted by: Aamir khan Hullio

2. Species are formed in one step of reaction mechanism and used up in another step are called:

   A. Catalyst
   B. Intermediate
   C. inhibitor
   D. activated complex

   Submitted by: Said wali shah

3. Which one of the following molecules does not form alcohol when reacts with Grignard reagent ?

   A. formaldehyde
   B. acetaldehyde
   C. propanone
   D. carbondioxide

4. 50% inversion of configuration of molecules take place in a___________________?

   A. E1 – reaction
   B. E2 – reaction
   C. SN1 – reaction
   D. SN2 – reaction

5. For determining the order of reaction we use__________________?

   A. Refractometric method
   B. Dilatometric method
   C. Optical activity method
   D. Half life method

6. Which of the following is not considered as an intermolecular force between molecules ?

   A. Coordinate covalent bonds
   B. Hydrogen bonds
   C. Debye forces
   D. London dispersion forces

7. The compounds in which water molecules are added are called_______________?

   A. Hydrated ions
   B. double salts
   C. hydrates
   D. complexes

8. Polymers described as large molecules built up from small repeating units called________________?

   A. Biopolymers
   B. Dimers
   C. Monomers
   D. metamers

9. The number of atoms present in 21.6 gram of silver (atomic weight = 108) are same as the molecules in__________?

   A. 1.8 gram of H₂O
   B. 12 moles of KMnO₄
   C. 0.6N H₂SO₄
   D. 4.6 gram of C₂H₅OH

   Submitted by: Muhammad Ali Kunbhar

10. The molecules of which gas have highest speed?

    A. H₂ at -73^oC
    B. CH₄ at 300 K
    C. N₂ at 1,027^oC
    D. O₂ at 0^oC

    Submitted by: Muhammad Ali Kunbhar