The addition of a catalyst to the reaction system__________________?

Related Mcqs:

1. Catalyst used to speed up the reaction of ammonia synthesis is________________________?

   A. V2O5
   B. V2O5 and Pt
   C. Fe
   D. Pieces of Fe crystals are embedded in fused mixture of MgO Al2O3 and SiO2

2. The product of the reaction between steam and Hydrocarbon in presence of Ni catalyst at 900°C is _____.

   A. CO²+O²
   B. CO+H²(water gas)
   C. CO³+H²O
   D. Laughing Gas

   Submitted by: Aamir khan Hullio

3. Addition of urea to the soil is ____________ reaction?

   A. endothermic
   B. exothermic
   C. both a and b
   D. no heat energy is involved

4. Which of the following will not give addition reaction with NaHSO3________________?

   A. HCHO
   B. CH3CHO
   C. CH3-CH2-CHO
   D. None of the above

5. 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

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

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

7. Consider the following reaction- 2KCIO3 + H2C2O4 + H2SO4 ? K2SO4 + 2H2O + 2CO2 + Oxide Which oxide of chlorine is produced in the above reaction ?

   A. Cl2O
   B. ClO2
   C. Cl2O6
   D. Cl2O7

8. Consider the following reaction- 3Cl2 + 6NaOH ? NaClO3 + 5NaCl + 3H2O This reaction is_______________?

   A. Displacement reaction
   B. Double displacement reaction
   C. Disproportionation reaction
   D. Reduction reaction

9. What will be the order of reaction of a reaction whose rate can be expressed as R = K [A] [B] ?

   A. Zero
   B. One
   C. Two
   D. Three

10. The substances that reduces the effectiveness of a catalyst are called ___________________?

    A. Promoters
    B. Poisoning catalysts
    C. Inhibitors
    D. pro-catalysts