WorksheetsXII CHEMISTRY UNIT 3 PART 17
Total questions: 10
Worksheet time: 5mins
Which one of the following is a weak acid?
HF
HCl
HBr
HI
Reagent not stored in glass bottles?
HCI
HBr
HF
HI
More reactive element is----
Fluorine
Chlorine
Bromine
Iodine
The correct order of the acidity of hydrohalic acids?
HF > HCI >HBr> HI
HCI >HF >HBr>HI
) HBr> HCI >HF > HI
HI >HBr> HCl > HF
Consider the following statements (i) In interhalogen compounds, the central atom will be the smaller one. (ii) It can be formed only between two halogen and not more than two halogens. (iii) They are strong reducing agents. Which of the above statement(s) is / are not correct? *
(i) only
(ii) and (iii)
(i) and (iii)
(iii) only
Each halogen combines with other halogens to form a series of compounds called ………….
noble gases compounds
Inter-halogen compounds
halogen compounds
chalcogen compounds
At room temperature, hydrogen halides are gases but …………. can be readily liquefied.
hydrogen fluroide
hydrogen iodide
hydrogenchloride
hydrogen bromide
Liberation of iodine which gives a …………. colouration with starch
red - orange
green black
yellow black
blue-black
Fluorine is the best oxidizing agent because it has
highest electron affinity
highest reduction potential
highest oxidation potential
lowest electron affinity
Inter halogen compounds is strong -------.
oxidizing agents
reducing agents
dehydrating agents
none
