Chemistry - Redox Reactions Question with Solution | TestHub

ChemistryRedox ReactionsBalancing of Redox ReactionsEasy2 minPYQ_2020
ChemistryEasysingle choice

In the balanced chemical reaction,

IO3-+aI-+bH+⟶cH2O+d I2

a, b, canddrespectively correspond to -

Options:

Answer:
A
Solution:

IO3-+aI-+ 6H+⟶cH2O+dI2

step-1,I-⟶ I2Oxidn , IO3-⟶I2Redn

step-II2IO3-+ 12H+⟶ I2+6H2O

step-III,2IO3–+12H++10e–⟶ I2+ 6H2O

2I–⟶I2+2e–

step-IV,2IO3-+ 12H++10e–→ I2+ 6H2O

2I→I2+2e– × 5

step-V,2IO3–+10 I–+12H+→6I2+6H2O

IO3–+5I–+ 6H+→3I2+3H2O

On comparinga=5, b=6, c=3, d=3

Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:Redox ReactionsSubtopic:Balancing of Redox Reactions
⏱ 2mℹ️ Source: PYQ_2020

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