Hydride Properties and Reactions

The correct statements among (a) to (d) are :
a) Saline hydrides produce H2 gas when reacted with H2O
b) Reaction of LiAlH4 with BF3 leads to B2H6
c) PH3and CH4 are electron – rich and electron –precise hydrides, respectively.
d) HF and CH4 are called as molecular hydrides