2. Questions Bank
  3. NEET
  4. Chemistry
  5. The d-and f-Block Elements / d तथा f ब्लॉक के तत्व

NEET Chemistry The d-and f-Block Elements / d तथा f ब्लॉक के तत्व Question Bank Self Evaluation Test - The d-and f-Block Elements

  • question_answer
    In the laboratory, manganese (II) salt is oxidised to permanganate ion in aqueous solution by

    A) hydrogen peroxide

    B) cone. nitric acid

    C) peroxy disulphate           

    D) dichromate

    Correct Answer: C

    Solution :

    [c] In laboratory, manganese (II) ion salt is oxidised to permagnate ion in aqueous solution by peroxodi-sulphate. \[\underset{peroxodisulphate\text{ }ion}{\mathop{2M{{n}^{2+}}+{{S}_{2}}O_{8}^{2-}+8{{H}_{2}}O\xrightarrow{{}}}}\,\] \[2MnO_{4}^{-}+10SO_{4}^{2-}+16{{H}^{+}}\]


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