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Q.
Which of the following tetrahydridoborate(s) is/are known as borohydrides?
The p-Block Elements
Solution:
Boron forms a series of hydridoborates; the most important one is the tetrahedral $\left[ BH _{4}\right]^{-}$ion.
Tetrahydridoborates of several metals are known. Lithium and sodium tetrahydridoborates are also known as borohydrides.