Classification of Hydrocarbons

Q. Which one of the following reactions is not an example of redox reaction

1. $C{l}_2+2H_{2}O+S{O}_2\to 4H^{+}+S{O}_4^{2-}+2C{l}^{-}$
2. $C{u}^{++}+Zn\to Z{n}^{++}+Cu$
3. $2H_2+O_2\to 2H_{2}O$
4. $HCl+H_{2}O\to H_3{O}^{+}+C{l}^{-}$

Q.

Reduction is the process in which an atom or group of atoms loses one or more electron

1. True

2. False

Q.

Oxidation involves :

1. Addition of oxygen

2. Removal of Hydrogen

3. Removal of Hydrogen electrons

4. Addition of any electronegative element

Q. When Preacts with caustic soda, the products are $P{H}_3$ and $Na{H}_{2}P{O}_2$. This reaction is an example of

1. Oxidation
2. Reduction
3. Oxidation and reduction (Redox)
4. Neutralization

Q.

Reduction involves :

1. Addition of Hydrogen

2. Addition of any electropositive element

3. Removal of oxygen

4. Removal of any electronegative element

Q.

Which of the following is Oxidation?

1. Hg²⁺ + 2^e- → Zn

2. Zn²⁺ + 2^e- → Zn

3. Fe²⁺ → Fe³⁺ + e^-

4. MnO₄^2- → MnO₄^- + e^-

Q.

Oxidation is the process in which an atom or a group of atoms taking part in a chemical reaction loses one or more electron.

1. True

2. False

Q.

Which of the following reactions involves oxidation-reduction

1. 

2. 

3. 

4. 

Q. $Z{n}^{2+}\left(aq\right)+2e\to Zn\left(s\right)$. This is

1. Reduction
2. Redox reaction
3. None of these
4. Oxidation

Q. Reactivity of Tertiary H, Secondary H and Primary H towards elimination is:

1. sec. > tert. > pri.
2. sec. > pri. > tert.
3. pri. > sec. > tert.
4. tert. > sec. > pri.