Ozone

Q.

Ozone absorbs low energy ultraviolet radiation and decomposes back to oxygen.

1. True

2. False

Q. Ozone is formed in the upper atmosphere from oxygen by the action of:

1. UV rays
2. Cosmic rays
3. Free radicals
4. Nitrogen oxides

Q. In the upper layers of the atmosphere, gets converted into ozone.

1. oxygen
2. nitrogen
3. hydrogen

Q.

What are the products of heating sodium azide in the air?

1. $N_2$

2. $Na$

3. $N{a}_{2}O$

4. $NO$

Q. Which type of a molecule is ozone?

1. Diatomic
2. Triatomic
3. Monoatomic
4. Tetratomic
   

Q. Which of the following will turn red litmus blue?

1. Vinegar
2. Lemon juice
3. Soft drink
4. Baking soda

Q.

Oxygen can be prepared by electrolysis of water.

1. True

2. False

Q. The molecular formula for ozone is ___.

1. $O_5$

2. $O_3$
3. $O_4$
4. $O_2$

Q.

29. Ozone present in ________ plays a vital role in protecting the life on earths surface from harmful UV rays.

1. troposphere

2. stratosphere

3. mesosphere

4. ionosphere

Q.

Which of the following is absorbed by the ozone layer?

1. $\mathrm{\gamma }-$rays

2. Visible light

3. Radio waves

4. Ultraviolet rays

Q.

Ozone blanket in the upper atmosphere is also known as = _______.

Q.

Ozone blanket is present in which of the following main layers of atmosphere?

1. Mesosphere

2. Troposphere

3. Stratosphere

4. Thermosphere

Q. The correct statement(s) about $O_3$ is (are)

1. O - O bond lengths are equal
2. Thermal decomposition of $O_3$ is endothermic
3. $O_3$ is diamagnetic in nature
4. $O_3$ has a bent structure.

Q. Which of the following does not give oxygen on heating?
(IIT-JEE, 2013)

1. $Zn(Cl{O}_3{)}_2$
2. $(N{H}_4{)}_{2}C{r}_2{O}_7$
3. $KCl{O}_3$
4. $K_{2}C{r}_2{O}_7$

Q. Depletion of ozone layer over Antarctica takes place during _________?

1. spring
2. after Spring
3. winter
4. summer

Q. $CFC{l}_3$ is responsible for the decomposition of ozone layer. Which of the following reacts with ozone to form oxygen?

1. F^-
2. Cl₂
3. Cl^-
4. Cl^*

Q. The resonance hybrid of Ozone arises from ________ canonical forms.
___

Q. Which of the following will turn red litmus blue?

1. Vinegar
2. Baking soda
3. Lemon juice
4. Soft drink

Q. Which of the following is true regarding the chemical properties of Ozone?

1. Trioxygen or ozone is a powerful reducing agent
2. Trioxygen or ozone is a powerful oxidizing agent
3. both (A) & (B)
4. None of these

Q. Describe the chemical reaction occurring in Atmosphere.

Q. In terms of thermodynamic Enthalpy, the synthesis of ozone from dioxygen is an __ process.

Q. Indicate whether the following statement is true or false.
Ozone is a triatomic molecule.

1. True
2. False