Chemistry · Hydrogen
Metal hydrides can be ionic, covalent, or molecular in nature. Among LiH, NaH, KH, RbH, and CsH, the correct order of increasing ionic character is:
- 1NaH > CsH > RbH > LiH > KH
- 2RbH > CsH > NaH > KH > LiH
- 3LiH < NaH < KH < RbH < CsH✓
- 4LiH > NaH > CsH > KH > RbH
Correct answer
LiH < NaH < KH < RbH < CsH
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