[" 14."BeH_(2)" and "MgH_(2)" are prepared using "],[" the reagent "]

BeH_2 can be prepared by the reaction of

BeH_(2) is prepared reducing BeCl_(2) with ________.

Arrange the following: CaH_(2) , BeH_(2) and "TiH"_(2) in order of increasing electrical conductance.

Arrange the following (i) CaH_(2), BeH_(2) and TiH_(2) in order of increasing electrical conductance. (ii) LiH, NaH and CsH in order of increasing ionic character. (ii) H-H, D-D and F-F in order of increasing bond dissociation enthalpy. (iv) NaH, MgH_(2) and H_(2)O in order of increasing reducing property.

Arrange the following a. CaH_(2),BeH_(2) and TiH_(2) in order of increasing electrical conductance. b. LiH,NaH and CsH in order of increasing ionic character. c. H-H,D-D and F-F in order of increasing bond dissociaton enthalpy. d. NaH,MgH_(2) and H_(2)O in order of increasing reducing property.