Chemical Equilibrium Test 2

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Chemical Equilibrium A test from chapter 8 i.e Chemical Equilibrium of Chemistry part 1. This is Free online test for FSc and Entry test Preparation for UET, NUST, FAST, GIKI, PIEAS, NFC, Punjab University, UHS, other Engineering Universities and Medical Colleges.


1. The PH of oranges is
    A) 3.5
    B) 3.1
    C) 4.6
    D) 4.2


2. Which one of following solution have zero PH

    A) 1M HCl
    B) 0.5 MH2SO4
    C) 0.1 M HNO3
    D) 1M CH3COOH


3. The solubility product expression for BaF2 can be written as

    A) [Ba2+] [F–]
    B) [Ba2+] [2F]
    C) [Ba2+] [F–]2
    D) [Ba+] [F–]2


4. To prepare a buffer with PH close to 9.0, you could use a mixture of

    A) NH4OH and NH4Cl
    B) CH3COOH and CH3COONa
    C) HNO2 + NaNO2
    D) NaHCO3 + H2CO3


5. For which reaction the numerical value of Kc and Kp are same

    A) N2 + 3H2 2NH3
    B) 2SO2 + O2 2SO3
    C) H2 + Cl2 2HCl
    D) N2O4 2NO2


6. For which system does the equilibrium constant Kc have units (mole/dm^3)^–1

    A) H2 + I2 2HI
    B) N2 + 3H2 2NH3
    C) 2NO2 N2O4
    D) CH3COOH + C2H5OH CH3COOC2H5 + H2O


7. What can affect the magnitude of equilibrium constant Kp of a reversible gaseous reaction

    A) temperature
    B) pressure
    C) catalyst
    D) none


8. Which gas can change the PH towards acidic

    A) argon
    B) carbon dioxide
    C) nitrogen
    D) oxygen


9. The solution having zero PH will be

    A) basic
    B) high basic
    C) neutral
    D) highly acidic


10. A solution have H+ ions concentration 1 x 10^–7 its PH will be

    A) acid
    B) basic
    C) neutral
    D) zero

I am Mechatronics and Control Engineer from UET, Lahore. Helping Engineering students gives me pleasure.

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