ID: D 6. Ammonia is a io. Ammonia is a weak base and perchloric acid is n strong

Question

ID: D 6. Ammonia is a io. Ammonia is a weak base and perchloric acid is n strong acid. Which statement is true of ammonium perehlorate? a. It is strongly acidic. b. It is weakly acidie. e. It is neutral, solution of d. e. We cannot predict its acid-base properties without more information It is weakly basic. 17. What is the pH at the equivalence point of the titration of a strong acid with a strong base? b. 8.2 d. 3.9 e. none of these Which of the following salts has the highest molar solubility in water? a. AgCl (Kp = 1.8 x 10-10 ) 18. SrCO: (A-= 9.3×10-10) Badro, (K Baso, (K b. = 1.2 × 10-10) 1.1×10-10) c. d. e Phs (-2.5 x 10) entration of ammonjum ion in a 0.51 AM solution of ammonia (NHi. K

Explanation / Answer

16. Solution of equal amount of -

Strong acid + Weak base = Acidic

Strong acid + Strong base = Neutral

Weak acid + Strong base = Basic

Weak acid + Weak base = Neutral

In the question we are given ammonia a weak base and perchloric acid a strong acid , so its solution will be acidic.

Option (a) is correct.

17. At equivalence point there are equal number of H+ and OH- . They will neutralise each other and the solution will be neutral.

H+   + OH-   -----> H2O

For a neutral solution pH is 7.

Option (c) is correct.

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