Reaction with Water

Q. Chlorine acts as a bleaching agent only in presence of :

1. Dry air
2. Moisture
3. Sunlight
4. Pure oxygen

Q. Which of the following trihalides is not hydrolysed by water?

1. $N{F}_3$
2. $NC{l}_3$
3. $PC{l}_3$
4. $AsC{l}_3$

Q. When $Xe{F}_4$ is treated with water, which of the following is not the correct product?

1. $Xe{O}_3$
2. $O_2$
3. $Xe$
4. $Xe{F}_2$