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What is the trend of basic strength of hydrides in the periodic table ? . Are there any exceptions ? Does the basic strength trend for hydrides for p and s block different ?

What is the trend of basic strength of hydrides in the periodic table ? . Are there any exceptions ? Does the basic strength trend for hydrides for p and s block different ? 

Grade:12th Pass

1 Answers

Sunil Kumar FP
askIITians Faculty 183 Points
7 years ago
in a periodic tqble
for s block element
basic strength of hydroxide increase down the group
MH + H20----M(0H) + H2
across the period it decrease reason --increase in electronegativity
in p block element across the group it also decrease as acidity increase due to large difference in the size of ion and hydrogen
xe and kr also form hydride .

thanks and regards
sunil kr
askIItian faculty

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