A. volume is decreased
B. volume increased
C. heat absorbed
D. no. of moles of specie decreased
Related Mcqs:
- 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 - Energy of activation for backward reaction is less than forward reaction for ___________ reactio?
A. Endothermic
B. Exothermic
C. Moderate
D. Fast - 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 - 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 - 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 - For a reaction involving only gases at 25?C the equilibrium constant can be expressed in terms of molarity Ke or partial pressure Kp. Which is true about the numerical value of Kp ?
A. Kc is generally greaer than Kp
B. Kc is generally less than Kp
C. Kc is generally equal to Kp
D. Kc is equal to Kp if the total moles of reactants and products are equal - Reaction which proceeds in both directions is called_______________?
A. reversible
B. irreversible
C. spontaneous
D. non-spontaneous - 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 - At start of reaction the concentration of reactants is_______________?
A. high
B. low
C. according to Kc
D. constant - In base catalyzed reaction of carbonyl compound the catalyst___________________?
A. increases the nucleophilic character of reagent
B. increases electrophilic character of carbonyl compound
C. acidic character of reagent
D. both a and b
