Redox Reactions

Concept of Oxidation and Reduction

Subtopic

Concept of Oxidation and Reduction under Redox Reactions for Grade 11 CBSE.

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1.
$Which of the following is an example of an oxidizing agent?$
A. $H_{2}$
B. $LiAlH_{4}$
C. $KMnO_{4}$
D. $Na$
2.
$Removal of oxygen from a compound is called:$
A. $Oxidation$
B. $Reduction$
C. $Combustion$
D. $Corrosion$
3.
$Mg + 2Ag^{+} \rightarrow Mg^{2+} + 2Ag$
A. $Ag^{+}$
B. $Ag$
C. $Mg$
D. $Mg^{2+}$

Download the worksheet for Redox Reactions - Concept of Oxidation and Reduction to practice offline. It includes additional chapter-level practice questions.

Redox Reactions in Terms of Electron Transfer Reactions

Subtopic

Redox Reactions in Terms of Electron Transfer Reactions under Redox Reactions for Grade 11 CBSE.

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1.
$If a substance 'X' can easily lose electrons to substance 'Y', then 'X' is a stronger _______ than 'Y'.$
A. $Oxidizing agent$
B. $Reducing agent$
C. $Acid$
D. $Base$
2.
$Zn + Cu^{2+} \rightarrow Zn^{2+} + Cu$
A. $Zn$
B. $Cu$
C. $Cu^{2+}$
D. $Zn^{2+}$
3.
$2Na + Cl_2 \rightarrow 2NaCl$
A. $It is the reducing agent$
B. $It is the oxidizing agent$
C. $It undergoes oxidation$
D. $It donates electrons$

Download the worksheet for Redox Reactions - Redox Reactions in Terms of Electron Transfer Reactions to practice offline. It includes additional chapter-level practice questions.

Oxidation Number

Subtopic

Oxidation Number under Redox Reactions for Grade 11 CBSE.

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1.
$K_{2}S$
A. $-1$
B. $0$
C. $+1$
D. $+2$
2.
$N_{2}O$
A. $+1$
B. $+2$
C. $-1$
D. $-2$
3.
$CO_{2}$
A. $+2$
B. $+4$
C. $-4$
D. $0$

Download the worksheet for Redox Reactions - Oxidation Number to practice offline. It includes additional chapter-level practice questions.

Balancing of Redox Reactions

Subtopic

Balancing of Redox Reactions under Redox Reactions for Grade 11 CBSE.

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1.
$H_2S + HNO_3 \rightarrow S + NO + H_2O$
A. $1:1$
B. $3:2$
C. $2:3$
D. $3:1$
2.
$If you are balancing a reaction and you find that the number of electrons lost is 2 and gained is 3, by what factors should you multiply the half-reactions to equalize electrons?$
A. $Multiply both by 6$
B. $Multiply the first by 3 and the second by 2$
C. $Multiply the first by 2 and the second by 3$
D. $Add 1 electron to the first reaction$
3.
$Cr$
A. $+3$
B. $+6$
C. $+7$
D. $+2$

Download the worksheet for Redox Reactions - Balancing of Redox Reactions to practice offline. It includes additional chapter-level practice questions.

Redox Reactions and Electrode Processes

Subtopic

Redox Reactions and Electrode Processes under Redox Reactions for Grade 11 CBSE.

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1.
$What happens to the oxidation number of an element during a reduction process?$
A. $It increases$
B. $It decreases$
C. $It remains unchanged$
D. $It first increases then decreases$
2.
$Which of the following ions has an oxidation number of +1?$
A. $Mg^{2+}$
B. $Cl^-$
C. $K^+$
D. $O^{2-}$
3.
$C_6H_{12}O_6$
A. $+4$
B. $+2$
C. $0$
D. $-4$

Download the worksheet for Redox Reactions - Redox Reactions and Electrode Processes to practice offline. It includes additional chapter-level practice questions.

Concept of Oxidation and Reduction

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Redox Reactions in Terms of Electron Transfer Reactions

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Oxidation Number

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Balancing of Redox Reactions

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Redox Reactions and Electrode Processes

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