Redox Reactions

1. A.
   $+2$ and $+4$
2. B.
   $+4$ and $+6$
3. C.
   $+3$ and $+5$
4. D.
   $+6$ and $+4$

Tap an option to check your answer.

1. A.
   $+1$
2. B.
   $+2$
3. C.
   $+4$
4. D.
   $+3$

Tap an option to check your answer.

1. A.
   $\mathrm{Sn^{2+}}$ is undergoing oxidation.
2. B.
   $\mathrm{Fe^{3+}}$ is undergoing oxidation.
3. C.
   It is not a redox reaction.
4. D.
   Both $\mathrm{Sn^{2+}}$ and $\mathrm{Fe^{3+}}$ are oxidized.

Tap an option to check your answer.

1. A.
   $-2$
2. B.
   $-1/2$
3. C.
   $-1$
4. D.
   $-1.5$

Tap an option to check your answer.

1. A.
   $6n$
2. B.
   $4n$
3. C.
   $3n$
4. D.
   $2n$

Tap an option to check your answer.

1. A.
   $+7$
2. B.
   $+5$
3. C.
   $+3$
4. D.
   $+1$

Tap an option to check your answer.

1. A.
   $\mathrm{Cl_2 + 2H_2O + SO_2 \longrightarrow 4H^+ + SO_4^{2-} + 2Cl^-}$
2. B.
   $\mathrm{Cu^{2+} + Zn \longrightarrow Cu + Zn^{2+}}$
3. C.
   $\mathrm{2H_2 + O_2 \longrightarrow 2H_2O}$
4. D.
   $\mathrm{HCl + H_2O \longrightarrow H_3O^+ + Cl^-}$

Tap an option to check your answer.

1. A.
   $\mathrm{CH_4}$
2. B.
   $\mathrm{CCl_4}$
3. C.
   $\mathrm{CF_4}$
4. D.
   $\mathrm{CO_2}$

Tap an option to check your answer.

1. A.
   The oxide that forms acid when combined with water, is acidic oxide.
2. B.
   The oxides showing acidic as well as basic characteristics are amphoteric oxides.
3. C.
   The acidic character of oxides increases, whereas basic character decreases in a period from left to right in the periodic table.
4. D.
   $\mathrm{NO}$, $\mathrm{N_2O}$ and $\mathrm{CO}$ are amphoteric oxides.

Tap an option to check your answer.

1. A.
   $\mathrm{Ag^+}$
2. B.
   $\mathrm{Li}$
3. C.
   $\mathrm{F_2}$
4. D.
   $\mathrm{Au^+}$

Tap an option to check your answer.