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Question

Which of the following statements is false about the balanced equation given below?
CS2(l)+3O2(g)2SO2(g)+CO2(g)
  1. One mole of CS2 will produce one mole of CO2
  2. The reaction of 16 g of oxygen produces 7.33 g of CO2
  3. The reaction of one mole of O2 will produce 23 mol of SO2
  4. Six molecules of oxygen require three molecules of CS2


Solution

The correct option is D Six molecules of oxygen require three molecules of CS2
According to stoichiometry,
1 mol of CS2 and 3 mol of oxygen are required to produce 2 mol of SO2
and 1 mole of CO2.

3×32 g of O2 produces 44 g of CO2.
16 g of O2 produces 443×32×16=7.33 g of CO2

3 mol of O2 produce 2 mol of SO2.
1 mole of O2 will produce 23 mol of SO2.

3 mol of O2 react with 1 mole of CS2
(3×NA) molecules react with NA molecules of CS2.
6 molecules of O2 will react with 2 molecules of CS2.

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