Question

Why is the hydride bridge in (BeH,), considered electron deficient
but not the halide bridge in (Beci,), ? Explain.​

Answer 1

Answer:

The hydrides of beryllium and magnesium are covalent and polymeric (BeH2)n. has a chain structure containing chains with hydrogen bridges between beryllium atoms Each beryllium atom is bonded to two hydrogen atoms and each hydrogen atom to two beryllium atoms.

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