JEE Main Chemistry question
What is the molecular formula of a compound whose empirical formula is CH₂O and molecular weight is 90?
Answer: (A)
Solution
Empirical formula mass of CH₂O = 30. n = 90/30 = 3. Molecular formula = (CH₂O)₃ = C₃H₆O₃.
What is the molecular formula of a compound whose empirical formula is CH₂O and molecular weight is 90?
Empirical formula mass of CH₂O = 30. n = 90/30 = 3. Molecular formula = (CH₂O)₃ = C₃H₆O₃.