Properties of Chlorine

Q. Nascent oxygen is a powerful ___(i)____ agent and this is responsible for bleaching property of ___(ii)____.

1. (i) - reducing, (ii) - sulphur
2. (i) - oxidising, (ii) - sulphur
3. (i) - reducing, (ii) - chlorine
4. (i) - oxidising, (ii) - chlorine

Q. Chlorine reacts with hot red phosphorus to give:

1. $PC{l}_2$
2. $PC{l}_3$
3. $PC{l}_4$
4. $PC{l}_5$

Q.

Write two chemical properties of carbon dioxide.

Q. Oxidation state of N in Fischer salt

Q.

209(a). Give one example of chloride salt through its chemical and molecular formula.

Q. Hydrogen and oxygen are very reactive elements but why do they form water when mixed together?

Q. Aluminium reacts with chlorine to produce

1. $AlC{l}_2$
2. $A{l}_{2}C{l}_2$
3. $AlC{l}_3$
4. $A{l}_{2}C{l}_3$

Q.

Which of the following element reacts with cold water vigorously?

1. Carbon

2. Sodium

3. Magnesium

4. Sulphur

Q.

Choose the correct option to complete the following equation.
Magnesium + Cold water $\to$ ____

1. Magnesium peroxide

2. Magnesium hydroxide

3. Magnesium oxide

4. No reaction

Q. Which among the following element reacts vigourously with $C{l}_2$.

1. Magnesium
2. Silicon
3. Cobalt
4. Arsenic

Q. Chlorine is usually found in a combined state with other elements due to its :

1. High reactivity
2. Low reactivity
3. Low concentration in the atmosphere
4. It is greenish yellow in colour

Q. Sodium and chlorine reacts together to form _______ .

1. Sodium dichloride
2. Disodium chlorine
3. Sodium chloride
4. Sodium chlorine

Q. Which one of the following elements reacts with steam?

1. $Ge$
2. $C$
3. $Si$
4. $Sn$

Q. Which of the following metal will from $N{H}_{4}N{O}_3$ with dil. $HN{O}_3$ (20%)?

1. Ag
2. Zn
3. Sn
4. None of these

Q. Which of the following metal(s) will give same gas on reaction with cold or warm water?

1. $Na$
2. $Mg$
3. $Au$
4. $Fe$

Q.

Which of the following gas is formed when very dilute nitric acid reacts with magnesium at room temperature?

1. N₂O

2. H₂

3. NO₂

4. NO

Q. Which acid is used in the laboratory to remove the water vapour present in chlorine?

1. Sulphuric acid
2. Hydrochloric acid
3. Nitric acid
4. Sulphurus acid

Q. The bleaching action of chlorine is due to the oxidation of substances.

1. True
2. False

Q. What is the chemical name of common salt?

1. Potassium chloride
2. Aluminium chloride
3. Sodium chloride
4. Sodium hydroxide

Q. Wet chlorine gas is ________ in nature.

1. acidic
2. basic
3. neutral
4. amphoteric