Chemical Equilibrium With Answers

Chemical Equilibrium

Sr. # Questions Answers Choice
1 Equilibrium constant depends on Pressure Temperature Volume Concentration
2 Kc is expressed in terms of. Pressure Mole fraction Concentration Volume
3 Law of mass action applies to Closed systems only Open systems Irreversibel systems Combustion reactions
4 Active mass means Moles Volume Mass Molar concentration
5 According to law of mass action rate of reaction is proportional to. Temperature Pressure Product of active masses Atomic mass
6 Law of mass action is applicable to. Reversible reaction Combustion reactions Irreversible reactions Endothermic reactions only
7 Law of mass action was proposed by  Le chatelier Arrheneius Guldberg and Waage Dalton
8 At equilirbium  Products dominate Reactants dominate Forward and reverse rates are zero Forward rate = reverse rate
9 Dynamic equilibrium occurs. In open systems Only in gases In closed systems Only at low temperature
10 Which is NOT a feature of dynamic equilibrium. Closed system Constant Temperature Uequal reaction rates No net change
11 At equilirbium the observabel properties. Keep changing Fluctuae randomly Remain constant Oscillate
12 Which statement is true at dynamic equilibrium. No reactio is occurring Concentrations are changing Rates of forward and reverse reactions are equal Rate forward reaction < reverse
13 Dynamic equilirbrium is attained when Forward reaction stops Reverse reaction stops Forward and reverse reactions continue at equal rates Concentration of products become zero
14 Combustion of methane is. Reversible  Endothermic Irreversible Equilibrium process
15 In a reversible reaction. Products do not reform reactants Rate of forward reaction is always higher Both forward and reverse reactions occur Products are in excess
16 Whcih of the following reactions reaches equilibrium Reversible Irreversible Combustion Neutralization
17 Which of the following is an irreversible reaction. Haber process Precipitation of Ag Cl Synthesis of ammonia Esterification
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