Unit 7 The P Block Elements (Intext Questions-1)
Intext Questions
7.1 Why are pentahalides of P, As, Sb and Bi more covalent than their trihalides?
Answer In pentahalides, the oxidation state is +5 and in trihalides, the oxidation state is +3 . Since the metal ion with a high charge has more polarizing power, pentahalides are more covalent than trihalides.
7.2 Why is $\mathrm{BiH_3}$ the strongest reducing agent amongst all the hydrides of Group 15 elements ?Show Answer
BETA
