Group 15, 16, 17, 18 elements — trends, oxoacids, allotropes, important compounds.
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Q1 · p-Block Elements · EASY
Which of the following elements in Group 15 has the highest tendency to form multiple bonds with itself?
Q2 · p-Block Elements · MEDIUM
Among the oxoacids of chlorine, which one is the strongest acid?
Q3 · p-Block Elements · MEDIUM
Sulphuric acid (H2SO4) is manufactured by the Contact Process. In this process, sulphur dioxide is oxidized to sulphur trioxide in the presence of a catalyst. Which catalyst is used in the Contact Process?
Q4 · p-Block Elements · HARD
Noble gases have very low boiling points. Arrange the following noble gases in the increasing order of their boiling points: He, Ne, Ar, Kr.
Q5 · p-Block Elements · EASY
Which of the following noble gases does NOT form any known chemical compound under laboratory conditions?