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D and F Block Elements · 2020 · 9 Jan · Shift 2

2 Chemistry questions from this JEE Main paper
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D and F Block Elements · 2020 · 9 Jan · Shift 2

2 Chemistry questions from this JEE Main paper

  1. Q7.The sum of the total number of bonds between chromium and oxygen atoms in chromate and dichromate ions is ​.
    Chemistry · D and F Block Elements · Numerical
  2. Q15.5 g of zinc is treated separately with an excess of (a) dilute hydrochloric acid and (b) aqueous sodium hydroxide. The ratio of the volumes of H2​ evolved in these two reactions is :
    Chemistry · D and F Block Elements · MCQ