134 questions · 0 answers
Explain the claim of 'paramountcy' of the English company in India.
What was the principle of the Company's Doctrine of Lapse? What did the company argue for the merger of Awadh?
Which of the following acid-base reactions should go more or less to completion?
(a) HClO4(aq) + OCl-(aq) ➝ ClO4-(aq) + HOCl(aq)
(b) HF(aq) + I-(aq) ➝ HI(aq) + F-(aq)
(c) H2SO3(aq) + SO42-(aq) ➝ H2SO4(aq) + SO32-(aq)
(d) H2S(aq) + 2 Cl-(aq) ➝ S2-(aq) + 2 HCl(aq)
(e) All of these reactions would go to completion, giving high yields of products.
Which of the following isn’t a Brønsted base?
(a) PF5
(b) H2O
(c) NH3
(d) S2-
(e) CN-
Which of the following isn’t a conjugate acid/base pair?
(a) NH4+(aq) and NH3(aq) (b) H2O(l) and OH-(aq)
(c) H3O+(aq) and OH-(aq) (d) NH3(aq) and NH2-(aq)
Which of the following would have the strongest conjugate base?
(a) H2O
(b) H2S
(d) PH3 (e) CH4
Solutions of each acid are prepared in which the initial concentration of the acid is 0.1000 M. Which of the four solutions will be the most acidic?
(a) HA
(b) HB
(c) HC
(d) HD
(e) not enough information is provided to answer this question.
NaHCO3 can be used to neutralize strong bases, such as NaOH. What conclusion can be drawn from the fact that the following acid-base reaction proceeds to the right as written?
HCO3-(aq) + OH-(aq) ➝ CO32-(aq) + H2O(l)
(a) HCO3- is a stronger acid than H2O
(b) HCO3- is a stronger base than CO32-
(c) HCO3- is a stronger base than OH-
(d) CO32- is a stronger base than OH-
(e) H2O is a stronger acid than HCO3-
What is the pH of a solution that is 1.7 x 10-4 M in H+?
(a) 3.77
(b) 4.77
(c) 4.23
(d) 10.23
(e) none of these
Which of the following is the strongest Brønsted acid?
(a) NH4+
(b) HCl
(c) HNO3
(d) HSO4-
(e) HClO4
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