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A) \[NaH>LiH>KH>RbH>CsH\]
B) \[LiH>NaH>KH>RbH>CsH\]
C) \[CsH>RbH>KH>NaH>LiH\]
D) \[KH>NaH>LiH>CsH>RbH\]
Correct Answer: B
Solution :
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