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mnsoomro
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By the addition of base in water pH will be_______________?
A. more than 7 B. less than 7 C. equal to 7 D. no effect Submitted by :- Jamil Ahmed
Catalyst used to speed up the reaction of ammonia synthesis is________________________?
A. V2O5 B. V2O5 and Pt C. Fe D. Pieces of Fe crystals are embedded in fused mixture of MgO…
Unit of Kc is_______________?
A. moles2dm+6 B. moles-2dm+6 C. moles+2dm-6 D. Kc may or may not have units Submitted by :- Jamil Ahmed
Conversion of reactant into product in unit time is called________________?
A. rate of forward reaction B. rate of backward reaction C. rate constant D. rate co-efficient Submitted by :- Jamil…
Reaction which proceeds in both directions is called_______________?
A. reversible B. irreversible C. spontaneous D. non-spontaneous Submitted by :- Jamil Ahmed
Which of following is not a base______________?
A. KOH B. NH3 C. PH3 D. BF3 Submitted by :- Jamil Ahmed
In which of the following equilibria will Kc and Kp have the same value ?
A. PCI5 = PCI3 + Cl2 B. N2 + 3H2 = 2NH C. 2CO + O2 = CO2 D. N2…
Sodium benzoate and benzoic acid are mixed in equimolar ration to form buffer if pKa is 2 what will be the pH ?
A. 0 B. 1 C. 2 D. any one Submitted by :- Jamil Ahmed
Kc value has_______________?
A. No units B. Units C. Both A & B D. None Submitted by :- Jamil Ahmed
Conjugated base of a weak acid is_________________?
A. weak B. strong C. moderately weak D. unstable Submitted by :- Jamil Ahmed