Question
Question: Which of the following orders are correct ? (1) TiH2 < BeH2< CaH2 - Electrical conductance. (2) Li...
Which of the following orders are correct ?
(1) TiH2 < BeH2< CaH2 - Electrical conductance.
(2) LiH < NaH < CaH - Ionic character.
(3) F-F < H-H < D-D - Bond dissociation enthalpy.
(4) H2O < MgH2< NaH - Reducing character.
A
(1), (2) and (3)
B
(2), (3) and (4)
C
(1), (3) and (4)
D
(1), (2), (3) and (4)
Answer
(2), (3) and (4)
Explanation
Solution
(1) BeH2 < CaH2 < TiH2