predict which of the following hydrides is a gas on a solid a) HCl b) NaH. give reasons
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Answered by
10
nah is hydride is a gas on solid because it consist na+-h atom lwhich is bounded by strong electrostatic force buy HCl does not.
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Answered by
9
Answer:
NaH is a solid and HCl is a gas
Explanation:
The correct question is: Predict which of the following hydrides is a gas or a solid a) HCl b) NaH
NaH is an ionic hydride and ionic hydrides have high melting and boiling point. Hence Nah is a solid.
Whereas HCl is a covalent hydride and covalent hydrides have lower melting point ( because HCl has lone pairs of electron which can be easily broken) than ionic hydrides.
That is why HCl is a gas.
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