The correct statements among (a) to (b) are:


The correct statements among (a) to (b) are:.

(a) saline hydrides produce $\mathrm{H}_{2}$ gas when reacted with $\mathrm{H}_{2} \mathrm{O}$.

(b) reaction of $\mathrm{LiAH}_{4}$ with $\mathrm{BF}_{3}$ leads to $\mathrm{B}_{2} \mathrm{H}_{6}$.

(c) $\mathrm{PH}_{3}$ and $\mathrm{CH}_{4}$ are electron - rich and electronprecise hydrides, respectively.

(d) $\mathrm{HF}$ and $\mathrm{CH}_{4}$ are called as molecular hydrides.

  1. (c) and (d) only

  2. (a), (b) and (c) only

  3. (a), (b), (c) and (d)

  4. (a), (c) and (d) only

Correct Option: , 3


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