2nd Year Chemistry MCQs  F.Sc. Part 2
Chapter No.5
The Halogens and The Noble Gases
Total MCQs = 48

26. Which halogen will reat spontneously with Au_(s) to produce Au₃₊: (GRW 2017) (RWP 2019)

A. Br₂
B. F₂
C. I₂
D. Cl₂

27. The anyhydride of HClO₄ is: (GRW 2015,2016,2017)(LHR 2016,2018)(MTN 2017,2018)

A. ClO₃
B. ClO₂
C. Cl₂O₃
D. Cl₂O₇

28. Bleaching powder may be produced by passing chlorine over: (ECAT 2015)

A. Calcium carbonate
B. Hydrated Calcium suphate
C. Anhydrous Calcium suphate
D. calcium hydroxide

29. Which halogen occrus naturally in a positive oxidation state? (DGK 2017)(FSD, MTN 2017)(SWL, AJK 2018 GII)

A. Flourine
B. Chlorine
C. Bromine
D. Iodine

30. Which is the strongest acid? (LHR 2016,2017)(RWP 2018)(GRW 2019)

A. HClO
B. HClO₂
C. HClO₃
D. HClO₄

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