Chemistry Practice MCQ Page 42
Multiple Choice questions for Chemistry in the sets of 10 each on one page with questions and answers. All sets are useful in the preparation of subject tests for employment or admission.
Question: 3298 The concentrations of gaseous substances are usually expressed in terms of their
- moles per dm3
- molarity
- partial pressures
- total pressure
Question: 3299 When the value of Kc is lesser than the value of the quotient of the products of molar concentrations of reactants and products, the reaction will
- go forward
- go backward
- be at equilibrium
- stop
Question: 3300 When the value of Kc is greater than the quotient of the products of molar concentration of reactants and products, the reaction will
- go forward
- go backward
- be at equilibrium
- stop
Question: 3301 If a system is at equilibrium, the the concentration of reactants and products
- change
- do not change
- remain constant
- change rapidly
Question: 3302 When the value of Kc is equal to the value of the quotient of the products of molar concentration of reactant and products, the reaction will
- go forward
- go backward
- be at equilibrium
- stpo
Question: 3303 A small value of Kc for a reaction indicates
- equilibrium state
- backward reaction
- forward action is more
- reaction has ceased
Question: 3304 the extent to which a chemical reaction will proceed can be predicted by equilibrium constant using its
- sign
- value
- magnitude
- symbol
Question: 3305 If Kc value is very high, the forward reaction will go
- nearby to completion
- very slowly
- very fastly
- smoothly
Question: 3306 When the value of Kc is neither very small nor very high the reaction is
- going very fast
- at equilibrium
- stopping
- going very slowly
Question: 3307 When the Kc has a large value, it indicates that
- equilibrium state
- backward reaction
- forward reaction is more
- reaction has just started
Question: 3308 The formation of NO gas due to high temperature in combustion engine of automobiles, is a serious
- corroding agent
- explosive
- air pollutant
- irritating agent
Question: 3309 At equilibrium neither the forward reaction nor the reverse reaction goes
- to side ways
- to completion
- to produce the product
- to produce the reactants
Answers to the questions of Chemistry on this page
Following list gives the correct choice for the answer of the Chemistry mcqs.
3298 . C
3299 . B
3300 . A
3301 . C
3302 . C
3303 . B
3304 . C
3305 . A
3306 . B
3307 . C
3308 . C
3309 . B
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