In a reaction $2A \to products$; the concentration of A decreases from $0.5\;{\rm{mol}}\;{\rm{litr}}{{\rm{e}}^{ - 1}}\;to\;0.4\;{\rm{mol}}\;{\rm{litr}}{{\rm{e}}^{ - 1}}$ in 10 minute. The rate of reaction during this interval is:

NEET UG CHEMISTRY MCQ: CHEMICAL KINETICS

1 Easy

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In a reaction

2A \to products

; the concentration of A decreases from

0.5\;\mathrm{mol}\;\mathrm{litr}{\mathrm{e}^{ - 1}}\;to\;0.4\;\mathrm{mol}\;\mathrm{litr}{\mathrm{e}^{ - 1}}

in 10 minute. The rate of reaction during this interval is:

View answer and explanation

Correct option: B

0.005\;M\;{\min ^{ - 1}}

Option B (

0.005\;M\;{\min ^{ - 1}}

) is correct because the rate of the reaction is half the rate of disappearance of A, considering the stoichiometry.