NEET Chemistry The p-Block Elements (XII) Questions Solved


Among the following statement which one is true?

(a) NH3 is less soluble than PH3 in water

(b) NH3 is stronger base and stronger reducing agent than PH3

(c) NH3 has higher boiling point than PH3 and has lower melting point than PH3

(d) PH3 is stronger reducing agent than NH3 and it has lower melting critical 

      temperature than NH3

(d)       NH3 is a weak reducing agent than PH3, because XH bond strength

            decreases down the group. Due to absence of H-bonding, only weak van

            der waals force of attraction exists in PH3, it has lower critical

             temperature than NH3.

Difficulty Level:

  • 10%
  • 30%
  • 34%
  • 28%