question_answer

  A dry pellet of a common base B when kept in open absorbs moisture and turns sticky. The compound is also a byproduct of chlor-alkali process. (a) Identify B. (b) What type of reaction occurs when B is treated with an acidic oxide? (c) Write a balanced chemical equation for one such solution.  (b) Neutralisation reaction occurs when B is treated with an acidic oxide.                          (1)

Answer:

                  (a) Ammonium chloride  [Base  (Ammonium hydroxide) Acid HCl (Hydrochloric acid)]     (1) (b) Sodium carbonate  [Base NaOH (Sodium hydroxide) Acid  (Carbonic acid)]             (c) Sodium chloride (Nad) NaCl [Base NaOH Sodium hydroxide Acid HCl (Hydrochloric acid)]                                                                 (1)