Spontaneous reactions are_______________?

Related Mcqs:

1. Which of the following is non spontaneous cell?

   A. Electrolytic cell
   B. Galvanic cell
   C. Daniel cell
   D. Not

   Submitted by: Aamir khan Hullio

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. Ncleophilic addition reactions are catalysed__________________?

   A. Acid
   B. Base
   C. Both A and B
   D. None

4. Which of the following reactions may be assoclated with aldehyde and ketone ?

   A. nucleophile addition
   B. polymerization
   C. oxidation
   D. all of the above

5. Which of the following do not give aldol condensation reactions ?

   A. formaldehyde
   B. acetaldehyde
   C. diemthyl ketone
   D. propionaldehyde

6. Elimination bimolecular reactions involve____________________________?

   A. first order kinetics
   B. second order kinetics
   C. third order kinetics
   D. zero order kinetics

7. In melting of iron, which of the following reactions takes place in Bladt Furnace at 400°C- 600°C________?

   A. CaO+ SiO2——> CaSiO3
   B. 2FeS+3O2——–> 2Fe+ SO2
   C. FeSiO3———> FeSiO3
   D. Fe2O3+ 3CO——–> 2Fe+ 3CO2

   Submitted by: Muhammad Ali Kunbhar

8. The typical reactions of aldehyde is _____________?

   A. Electrophilic addition
   B. Nucleophilic substitution
   C. Nucleophilic addition
   D. Nucleophilic elimination

   Submitted by: Aamir khan Hullio

9. The number of fundamental particles in an atom of the lightest isotope carbon are_______________?

   A. 6
   B. 12
   C. 18
   D. 20

10. Lead accumulators are_______________?

    A. secondary cell
    B. primary cell
    C. voltaic cell
    D. both A & C