Chapter 13: Halogens
MCQ Self-Assessment Exam Mode
Exam Mode Rules
Select your answers for all questions below, then click the "Submit Exam" button at the bottom to calculate your grade.
Hydrogen Halides
Q.1
Which halogen molecule has the strongest bond?
Q.2
The volatility of the halogens (Group _as you move 17) generally down the group (from Fluorine to Iodine).
Oxidizing Properties
Q.3
Which one of the following halogen molecules has strongest oxidizing power?
Q.4
The decreasing thermal stability of the halogens down the group is primarily due to the:
Q.5
Which one of the following has strongest reducing power?
Q.6
between halogens and hydrogen is correct?
Q.7
How does the hydrogen halides change as you move down the group?
Q.8
Why is fluorine the most reactive halogen?
Q.9
When aqueous silver nitrate is added to a solution containing bromide ions, a cream precipitate forms. What is the solubility of this precipitate in aqueous ammonia solution?
Q.10
Concentrated sulfuric acid is added to solid sodium chloride. What is the initial observation?
Q.11
Which of the following halogens is radioactive?
Q.12
The term "halogen" means:
Q.13
What is the physical state of iodine at room temperature?
Q.14
Why are halogens highly reactive?
Q.15
Which halogen exists as a volatile liquid at room temperature?
Q.16
Why are halogens diatomic in nature?
Q.17
Which halogen has the highest boiling point?
Q.18
What trend in volatility is observed in halogens from chlorine to iodine?
Q.19
The decreasing volatility down the group is due to:
Q.20
Which force governs the volatility trend in halogens?
Q.21 Fluorine is a gas at room temperature due to:
Q.22
What causes halogens?
Q.23 The weakest halogen-halogen bond is in:
Q.24 The bond energy of Cl is:
Q.25
Why is F-F bond weaker than CI-CI?
Q.26 Bond strength in halogens generally:
Q.27
Which is the strongest oxidizing agent!
Q.28 Oxidizing power of halogens decreases due to:
Q.29
Which of the following halogens can displace all others from their salts?
Q.30
The standard reduction potential of fluorine is:
Q.31 The ability depends on:
Q.32 The product of halogen and hydrogen is:
Q.33
Which halogen reacts explosively with hydrogen even in the dark?
Q.34 Hydrogen halides in water form:
Q.35 The reaction between H2 and I2 is:
Q.36 The most thermally stable hydrogen halide is:
Q.37
Which factor stability of HX?
Q.38
Which HX has the weakest H-X bond?
Q.39
Which halide ion reducing agent?
Q.40 The weakest reducing halide ion is:
Q.41
AgNOs with C! gives:
Q.42
Which halide does not form ppt with Ag+?
Q.43 AgBr is:
Q.44 Reaction of NaCl and conc. H2SO4 gives:
Q.45
In cold NaOH, Cl gives:
Q.46
In hot conc. NaOH, Cl gives:
Q.47
Cl in Cl is both oxidized and reduced. This is:
Q.48 Chlorine disinfects by forming:
Q.49 The active species that kill bacteria are:
Q.50 A disadvantage of chlorine use is:
Q.52
Which gas is released when bleaching powder reacts with dilute acid?
Q.53
What chlorine due to?
Q.54 Chlorine is prepared in lab by:
Q.55 Halogens are used in:
Q.56 Teflon is a polymer of:
Q.57
Which • compound treatment of goiter?
Q.58 Fluorine is used in:
Q.59 Iodine is used in:
Q.60 Chlorofluorocarbons (CFCs) contribute to:
Q.61
Which electronegative?
Q.62
Down the group, the oxidizing power of halogens:
Q.63
Which halogen reacts least vigorously with hydrogen?
Q.64 The halides increases in the order:
Q.65
Which halogen compound contributes to ozone depletion?
Q.66 Iodine is added to salt to prevent:
Q.67
Test for halide ions using silver nitrate involves:
Q.68
Which halide gives a white precipitate with AgNOs?
Q.69
Which halide does not react with AgNOs?