Rate of formation of SO3 in the following reaction 2SO2 - O2- 2SO3 is 100 g min-1- Hence- rate of disappearance of O2 is-

The correct option is A 50 g min^ 1 For the reaction: 2SO_2+O_2→ 2SO_3 The rate in terms of reactants is given as negative as the concentration of reac ...

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Byju's Answer

Standard X

Chemistry

Factors Affecting the Rate of a Chemical Reaction

Rate of forma...

Question

Rate of formation of $S O_{3}$ in the following reaction $2 S O_{2} + O_{2} \to 2 S O_{3}$ is 100 g $m i n^{- 1}$ . Hence, rate of disappearance of $O_{2}$ is:

50 g

m i n^{- 1}

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40 g

m i n^{- 1}

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200 g

m i n^{- 1}

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25 g

m i n^{- 1}

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Solution

The correct option is A 50 g $m i n^{- 1}$
For the reaction: $2 S O_{2} + O_{2} \to 2 S O_{3}$
The rate in terms of reactants is given as negative as the concentration of reactants is decreasing with time whereas the rate in terms of products is given as positive as the concentration of products is increasing with time.
$R a t e = - \frac{1 d [S O_{2}]}{2 d t} = - \frac{d [O_{2}]}{d t} = + \frac{1 d [S O_{3}]}{2 d t}$
Given. $+ \frac{1 d [S O_{3}]}{d t} = 100 g / m i n$
$- \frac{d [O_{2}]}{d t} = + \frac{1 d [S O_{3}]}{2 d t}$
$- \frac{d [O_{2}]}{d t} = \frac{1}{2} \times 100 g / m i n$
$- \frac{d [O_{2}]}{d t} = 50 g / m i n$
Thus, option A is correct.

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Similar questions

Q. Rate of formation of

S O_{3}

in the following reaction

2 S O_{2} + O_{2} \to 2 S O_{3}

100 g

m i n^{- 1}

Then the rate of disappearance of

O_{2}

is:

Q. Rate of formation of

S O_{3}

in the following reaction

2 S O_{2} + O_{2} \to 2 S O_{3}

is 100 g/min. Hence rate of disappearance of

O_{2}

Q. The rate of formation of

S O_{3}

in reaction of

2 S O_{2} + O_{2} \to 2 S O_{3}

is 100g per min. Hence rate of disappearance of

O_{2}

Q. The rate of formation of

S O_{3}

in reaction of

2 S O_{2} + O_{2} \to 2 S O_{3}

is 100g per min. Hence rate of disappearance of

O_{2}

is:

Q. The rate of formation of

S O_{3}

in the reaction

2 S O_{2} + O_{2} \to 2 S O_{3} i s 100 g m i n^{- 1}

. Hence rate of disappearance of

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is:

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Rate of formation of SO3 in the following reaction 2SO2+O2→2SO3 is 100 g min−1. Hence, rate of disappearance of O2 is:

Rate of formation of $S O_{3}$ in the following reaction $2 S O_{2} + O_{2} \to 2 S O_{3}$ is 100 g $m i n^{- 1}$ . Hence, rate of disappearance of $O_{2}$ is: