Preparation of Fluorine

Q. During isolation of fluorine, when $KH{F}_2$ is electrolysed then, is produced at the cathode and at the anode as the final product.

1. $K$
2. $H_2$
3. $F_2$
4. $KF$

Q. Red phosphorous is less soluble and less volatile than white phosphorous because of the formation its structure described as :

1. polymerised chains
2. planar sheets
3. hexagonal rings
4. tetrahedral

Q.

From the given set of compounds, the number of fluorinating agents is/are:
$Sb{F}_3,S{F}_6,Teflon,F_2,Fluorapatite,Cl{F}_3,Fluorspar,As{F}_3,Xe{F}_2$

Q.

Which of the following elements is industrially produced for uranium enrichment?

1. Iodine

2. Chlorine

3. Fluorine

4. Bromine

Q.

Which of the following elements is industrially produced for uranium enrichment?

1. Iodine

2. Chlorine

3. Fluorine

4. Bromine

Q.

From the given set of compounds, the number of fluorinating agents is/are:
$Sb{F}_3,S{F}_6,Teflon,F_2,Fluorapatite,Cl{F}_3,Fluorspar,As{F}_3,Xe{F}_2$

Q. During isolation of fluorine, when $KH{F}_2$ is electrolysed then, is produced at the cathode and at the anode as the final product.

1. $K$
2. $H_2$
3. $F_2$
4. $KF$

Q.

Which of the following elements is industrially produced for uranium enrichment?

1. Iodine

2. Chlorine

3. Fluorine

4. Bromine