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Chemical Kinetics question

2022 · Q9
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Chemical Kinetics question

2022 · Q9

IIT JAMChemistryChemical KineticsMCQ+1 / −0.33
For the reaction extH2extPO2−(aq)+extOH−(aq)→extHPO32−(aq)+extH2(g)ext{H}_2 ext{PO}_2^-(aq) + ext{OH}^-(aq) \rightarrow ext{HPO}_3^{2-}(aq) + ext{H}_2(g)extH2​extPO2−​(aq)+extOH−(aq)→extHPO32−​(aq)+extH2​(g) the rate expression is k[extH2extPO2−][extOH−]2k[ ext{H}_2 ext{PO}_2^-][ ext{OH}^-]^2k[extH2​extPO2−​][extOH−]2. If the concentration of extH2extPO2−ext{H}_2 ext{PO}_2^-extH2​extPO2−​ is doubled, the rate is
  1. A
    tripled
  2. B
    halved
  3. C
    doubled
  4. D
    unchanged
View written solutionFree

Correct answer: C

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