EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 8 - Redox Reactions>KCET (UG) 2019>Q 3

MEDIUM

KCET (UG)

IMPORTANT

Earn 100

In the reaction of gold with aquaregia, oxidation state of Nitrogen changes from

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Important Questions on Redox Reactions

HARD

KCET (UG)

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 8 - Redox Reactions>KCET (UG) 2018>Q 4

For the redox reaction

${xMnO}_{4}^{-} + {yH}_{2} C_{2} O_{4} + {zH}^{+} \to {mMn}^{2 +} + {nCO}_{2} + {pH}_{2} O$

MEDIUM

KCET (UG)

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 8 - Redox Reactions>KCET (UG) 2019>Q 5

The number of moles of electron required to reduce

0.2

mole of

{Cr}_{2} O_{7}^{- 2}

to

{Cr}^{+ 3}