2. Sample Papers
  3. KVPY

KVPY Sample Paper KVPY Stream-SX Model Paper-14

  • question_answer
    An aqueous solution contains \[A{{l}^{3+}}\] & \[Z{{n}^{2+}}\] both. To this solution \[N{{H}_{4}}OH\] is added in excess.

    A) only \[Al\,{{(OH)}_{3}}\]will be precipitated

    B) only \[Zn\,{{(OH)}_{2}}\] will be precipitated

    C) both will be precipitated

    D) no precipitate will appear

    Correct Answer: A

    Solution :

    In excess of \[N{{H}_{4}}OH\] ppt of \[Zn\,{{(OH)}_{2}}\] will get dissolved.


You need to login to perform this action.
You will be redirected in 3 sec spinner