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Some Basic Concepts of Chemistry · 2023 · 25 Jan · Shift 2

2 Chemistry questions from this JEE Main paper
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Some Basic Concepts of Chemistry · 2023 · 25 Jan · Shift 2

2 Chemistry questions from this JEE Main paper

  1. Q4.What is the mass ratio of ethylene glycol (C2​H6​O2​, molar mass = 62 g/mol) required for making 500 g of 0.25 molal aqueous solution and 250 mL of 0.25 molar aqueous solution?
    Chemistry · Some Basic Concepts of Chemistry · MCQ
  2. Q21.Number of hydrogen atoms per molecule of a hydrocarbon A having 85.8% carbon is ​ (Given : Molar mass of A = 84 g mol −1)
    Chemistry · Some Basic Concepts of Chemistry · Numerical