Question
What is the percentage atom economy when formula weight of product is 65 u and the sum of formula weight of reactant is 130 u?
MHT CET
Chemistry
Some Basic Concepts of Chemistry
2026
MHT CET 2026 (19 April Shift 1)
MHT CET Chemistry Question (2026) — Solution
Options
- A. 65\%
- B. 70\%
- C. 40\%
- D. 50\%
Answer
D. 50\%
Step-by-step solution
The percentage atom economy is calculated using the formula: Percentage atom economy = Formula weight of desired product Sum of formula weights of all reactants 100 Substituting the given values: Percentage atom economy = 65 130 100 = 50\% Answer: 50\%
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