Equilibrium | MCQs

    Q1: A body is in equilibrium when it has ______?

    ایک جسم توازن میں ہے جب اس میں ______ ہے؟
    • A. Uniform acceleration
    • B. Zero acceleration
    • C. Uniform speed
    • D. Both a and b

    Q2: The unit of Kc for reaction N2 + O2 ⇌ 2NO?

    • A. No unit
    • B. mol dm^-3
    • C. mol^-1dm3
    • D. mol^-2 dm^6

    Q3: Qc can be defined as _____?

    کیو سی کو _____ کے طور پر بیان کیا جا سکتا ہے؟
    • A. Ratio of molar concentration of product and molar volume of reactant
    • B. Ratio of molar concentration of product and reactant raised to the power of coefficient
    • C. Ratio of molar concentration of product and reactant at specific time
    • D. Ratio of product and reactants

    Q4: The system is stable in equilibrium when ______?

    نظام توازن میں مستحکم ہے جب ______؟
    • A. Qc < K
    • B. Qc > Kc
    • C. Qc = Kc
    • D. None of these

    Q5: For which system does the equilibrium constant, Kc has units of concentration.

    جس نظام کے لیے توازن مستقل ہے، کے سی میں ارتکاز کی اکائیاں ہیں۔
    • A. N2(g) + 02(g) ⇌ 2NO
    • B. H2(g) +12(g) ⇌ 2HI(g)
    • C. CO2(g) + H3(g) ⇌ CO + H2O(l)
    • D. N2(g) + 3H2(g) ⇌ 2NH3(g)

    Q6: When the magnitude of Kc is small, indicates ______?

    جب کے سی کی شدت چھوٹی ہے تو ______ کی طرف اشارہ کرتا ہے؟
    • A. Reaction mixture contain most of the product
    • B. Reaction goes to completion
    • C. Reaction mixture contain almost equal amount of reactant and product
    • D. Reaction mixture contain most of the reactant

    Q7: A right rope walker carries a long pole to ______?

    دائیں رسی پر چلنے والا ______ تک ایک لمبا کھمبہ لے جاتا ہے؟
    • A. Increase his weight
    • B. Raise his centre of gravity
    • C. Keep his centre of gravity in fixed position
    • D. Lower his centre of gravity
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