A Lewis base donates an electron pair. is a H^+ donor. is a H^+ acceptor. produc

Question

A Lewis base donates an electron pair. is a H^+ donor. is a H^+ acceptor. produces OH^- in aqueous solutions. produces H^+ in aqueous solutions. Identify the diprotic acid. HNO_3 HBr CH_3COOH H_2SO_3 HCIO_3 Calculate the pH of a solution that contains 3.9 times 10^-5 M H_3O* at 25 degree C. 5.41 4.41 9.59 8.59 0.59 Consider the following reaction: A reaction mixture initially contains 2.24 atm Xe and 4.27 atm F_2. If the Xe is 0.34 atm, find the equilibrium constant (Kp) for the reaction. 25 0.12 0.99 8.3

Explanation / Answer

22. Order of acidity (increasing order)

B)

23. A lewis base is,

A)

24. Diprotic acid is,

D)

25. pH = -log[H3O+]

B) 4.41

Bonus :

equilibrium pressure of,

Xe = 0.34 atm

change in pressure = 2.24 - 0.34 = 1.9 atm

F2 would be = 4.27 - 2 x 1.9 - 0.47 atm

XeF4 = 1.9 atm

Kp = 1.9/0.34 x (0.47)^2

     = 25

Answer : A) 25

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