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    CBSE

    Subject

    Chemistry
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    NEET Chemistry : Equilibrium

    Multiple Choice Questions

    141.

    pH of a solution can be expressed as :

    • -loge [H+]

    • -log10 [H+]

    • loge [H+]

    • log10[H+]

    Answer
    • 142.

    Which of the following is most basic?

    • Al(OH)3

    • Cr(OH)3

    • La(OH)3

    • Fe(OH)3

    Answer
    • 143.

    pKa increases in benzoic acid when substituent "x" is bonded at para-position, then "x" is

    • -COOH

    • -NO2

    • -CN

    • -OCH3

    Answer
    • 144.

    If the solubility of PbCl2 at 25°C is 6.3 x 10-2 mol/L , its solubility product is :

    • 1 x 10-6

    • 1 x 10-3

    • 1.1 x 10-6

    • 1.1 x 10-5

    Answer
    • 145.

    Which has the highest pH?

    • CH3COOK

    • Na2CO3

    • NH4Cl

    • NaNO3

    Answer
    • 146.

    At 60° and 1 atm, N2O4 is 50% dissociated into NO2 then KP is

    • 1.33 atm

    • 2 atm

    • 2.67 atm

    • 3 atm

    Answer
    • 147.

    Which one of the following aqueous solutions of salts has the lowest pH value ?

    • CH3COONa

    • NaCl

    • NH4OOCCH3

    • NH4Cl

    Answer
    • 148.

    At equilibrium which is correct?

    • ∆G = 0

    • ∆S = 0

    • ∆H = 0

    •  ∆G°= 0

    Answer
    • 149.

    K2Cr2O7 in acidic medium converts into

    • Cr2+

    • Cr3+

    • Cr4+

    • Cr5+

    Answer
    • 150.

    KpKc for following reaction will be CO(g)+12 O2(g)→CO2(g).

    • RT

    • 1RT

    • 1RT

    • RT2

    Answer
    • 1.png
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