Ozonolysis of Alkynes

Q.

Why does ${\mathrm{O}}_3$ act as a powerful oxidizing agent?

Q. Ozonolysis followed by hydrolysis of

1. 
2. 
3. 
4. None of the above

Q.

Propose structures for hydrocarbons that give the following products on oxidative cleavage by $KMn{O}_4$ or $O_3$:
$HOOC(C{H}_2{)}_{8}COOH$

1. 
2. 
3. 
4. 

Q. Ozonolysis followed by hydrolysis of

1. 
2. 
3. 
4. None of the above

Q. In the above reaction ${}^{\prime }{X}^{\prime }$ is

1. $HN{O}_3$
2. $O_3$
3. Hot $KMn{O}_4$ solution
4. $O_2$