EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 9 - Redox Reactions>TS EAMCET - 5 August 2021 Shift 1>Q 1

EASY

TS EAMCET

IMPORTANT

Earn 100

From the given reactions identify the disproportionation reaction
i) ${Cl}_{2} (g) + 2 KI (aq) ⟶ 2 KCl (aq) + I_{2} (s)$
ii) ${Cl}_{2} (g) + 2 {OH}^{-} (aq) ⟶ {ClO}^{-} (aq) + {Cl}^{-} (aq) + H_{2} O (l)$
iii) $Mg (s) + 2 HCl (aq) ⟶ {MgCl}_{2} (aq) + H_{2} (g)$
iv) $2 H_{2} O_{2} (aq) ⟶ 2 H_{2} O (l) + O_{2} (g)$

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Important Questions on Redox Reactions

EASY

TS EAMCET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 9 - Redox Reactions>TS EAMCET 2021 (04-Aug Shift-1)>Q 2

In the balanced equation of the following reaction, the ratio of $a / b$ is

${aCaCO}_{3} + {bH}_{3} {PO}_{4} \to {pCa}_{3} {({PO}_{4})}_{2} + {qCO}_{2} + {rH}_{2} O$

MEDIUM

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 9 - Redox Reactions>TS EAMCET - 5 August 2021 Shift 1>Q 3

{KMnO}_{4}

oxidises oxalic acid in acidic medium. The number of

{CO}_{2}

molecules produced per mole of

{KMnO}_{4}

is

MEDIUM

TS EAMCET

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 9 - Redox Reactions>TS EAMCET 2018 (04-May Shift-1)>Q 4

In the titration of

I_{2} (aq)

by

S_{2} O_{3}^{2 -}

(aq)

using the starch indicator, the end point is indicated by: