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D and F Block Elements · 2022 · 29 Jul · Shift 1

3 Chemistry questions from this JEE Main paper
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D and F Block Elements · 2022 · 29 Jul · Shift 1

3 Chemistry questions from this JEE Main paper

  1. Q4.The reaction of zinc with excess of aqueous alkali, evolves hydrogen gas and gives :
    Chemistry · D and F Block Elements · MCQ
  2. Q6.In following pairs, the one in which both transition metal ions are colourless is :
    Chemistry · D and F Block Elements · MCQ
  3. Q7.In neutral or faintly alkaline medium, KMnO4​ being a powerful oxidant can oxidize, thiosulphate almost quantitatively, to sulphate. In this reaction overall change in oxidation state of manganese will be :
    Chemistry · D and F Block Elements · MCQ