MCQ On P Block Elements Class 12 (Group 17 Elements) are very important for NEET, JEE as well as AIIMS exam. These P Block Elements Class 12 Important Questions will help you to score more marks. These MCQ On P Block Elements Class 12 (Group 17 Elements) will be very useful for those students who are preparing with complete devotion and hard work.
MCQ On P Block Elements Class 12 (Group 17 Elements)
1. Which of the following is not a mineral of fluorine?
a) Fluorspar
b) Cryolite
c) Fluoroapatite
d) Carnallite
Answer: Carnallite
2. What is the general electronic configuration of the halogens?
a) ns2np5
b) ns2np2
c) ns2np3
d) ns2np4
Answer: ns2np5
3. What is the correct order of enthalpy of dissociation of halogens?
a) F2 > Cl2 > Br2 > I2
b) Cl2 > Br2 > F2 > I2
c) Cl2 > F2 > Br2 > I2
d) F2 > Br2 > Cl2 > I2
Answer: Cl2 > Br2 > F2 > I2
4. What is the atomicity of halogens?
a) Monoatomic
b) Diatomic
c) Triatomic
d) Octatomic
Answer: Diatomic
5. Who discovered the element chlorine?
a) Joseph Priestley
b) Antoine Lavoisier
c) Humphry Davy
d) Wilhelm Scheele
Answer: Diatomic
6. Which of the following halogen exists as a solid at room temperature?
a) Chlorine
b) Fluorine
c) Iodine
d) Bromine
Answer: Fluorine
7. Group 17 elements are also called halogens.
a) True
b) False
Answer: True
8. Which of the following element is most reactive?
a) Chlorine
b) Fluorine
c) Bromine
d) Iodine
Answer: Fluorine
9. Which of the following halogen is radioactive?
a) Fluorine
b) Bromine
c) Astatine
d) Chlorine
Answer: Astatine