Group 13–18 elements, anomalous behaviour, oxides, halides.
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Q1 · p-Block Elements · EASY
The most electronegative element in the periodic table is:
Q2 · p-Block Elements · MEDIUM
Among the following noble gases, which has the lowest first ionisation energy?
Q3 · p-Block Elements · MEDIUM
Which of the following oxides of nitrogen is a mixed anhydride?
Q4 · p-Block Elements · EASY
Boron does not form BF6(3-) ion but aluminium forms AlF6(3-) ion. This is because:
Q5 · p-Block Elements · HARD
Among the halides of group 15 elements, which of the following statements is correct regarding the stability of trihalides and pentahalides?