Rate of disappearance of reactant is equal to_________________?

Related Mcqs:

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

   B. Exothermic
   C. Moderate reaction
   D. No reaction

2. 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

3. A limiting reactant is one which________________?

   A. is taken in lesser quantity in grams as compared to other reactants
   B. is taken in lesser quantity in volume as compared to other reactants
   C. gives the maximum amount of the product which is required
   D. gives the minimum amount of the product under consideration

4. Conversion of reactant into product in unit time is called________________?

   A. rate of forward reaction
   B. rate of backward reaction
   C. rate constant
   D. rate co-efficient

5. Boiling points of hydrocarbons increase with the increase in number of carbon atoms. It is mainly due to_________________?

   A. More strength of H-bonding
   B. More strength of London forces
   C. Less polarizability
   D. All of the above

6. The boiling point increases down the zero group element due to_________________?

   A. Ion dipole forces
   B. London forces
   C. Hydrogen bonding
   D. Dipole dipole forces

7. The determination of correct molecular weight from Raoults law is applicable to_________________?

   A. a volatile solute in dilute solution
   B. a non-electrolyte & non volatile solute in concentrated solution
   C. a non-electrolyte & non volatile solute in concentrated solute
   D. non volatile solute in a dilute solution

8. Electricity in voltaic cell is produced due to_________________?

   A. neutralization
   B. oxidation
   C. reduction
   D. both B & C

9. Iodine is solid due to_________________?

   A. Strong covalent bond
   B. Large value of dipole moment
   C. High polarizability
   D. Strong hydrogen bonding

10. The unit of the rate constant (k) is same as that of rate of reaction________________?

    A. First order reaction
    B. Second order reaction
    C. Zero order reaction
    D. Third order reaction