2nd Year Chemistry MCQs F.Sc. Part 2
Chapter No.5
The Halogens and The Noble Gases
Total MCQs = 48
11. The anhydride of HClO4 is (LHR 2014,2016,2018)(MTN 2017)(BWP 2018)
A. ClO3
B. ClO2
C. Cl2O5
D. Cl2O7
Answer:
D. Cl2O7
12. Chlorine heptaoxide (Cl2O7) reacts with water to form: (LHR 2017 GII)(FSD 2019)(BWP 2019 GII)
A. Hypochlorous acid
B. Perchloric acid
C. Chloric acid
D. Chlorine and oxygen
Answer:
B. Perchloric acid
13. Which is used a non-stick coating for cooking pans? (MTN 2014)(BWP 2015)
A. Freon
B. Teflon
C. Argon
D. Krypton
Answer:
B. Teflon
14. The halogen present in teflon is (AJK 2013)
A. Iodine
B. Flourine
C. Chlorine and oxygen
D. Bromine
Answer:
B. Flourine
15. Goiter is caused due to the deficiency of (SWL 2013)
A. Flourine
B. bromine
C. Chlorine and oxygen
D. iodine
Answer:
D. iodine
