CUET Questions — Chemistry (Inorganic)

Q44. PH3 is a better reducing agent than NH3 because: (a) PH3 can give its lone pair of electron easily (b) Bond dissociation enthalpy of P-H is low (c) Bond dissociation enthalpy of P-H is high (d) P

Q42. Among the following the correct statement is A. Between NH3 and PH3, NH3 is a better electron donor because the lone pair of electrons occupy spherical 's' orbital and is less directional. B. Bet

Q45. NH3 is a stronger base than PH3 (a) Phosphorus is smaller in size than nitrogen (b) Nitrogen is smaller in size than phosphorus (c) PH3 does not have lone pair of electron (d) NH3 does not have l

Q41. Which of the following is the correct statement? (a) Phosphates have no biological significance in humans. (b) Between nitrates and phosphates, phosphates are less abundant in the earth's crust.