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How can saline hydrides remove traces of...

How can saline hydrides remove traces of water from organic compounds?

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Saline hydrides react with water forming their correspondigng metal hydroxide and liberate `H_(2)` gas.
`CaH_(2)+H_(2)Oto Ca(OH)_(2)+H_(2)uarr`
Thus, traces of water present in organic compounds can be easily removed by distilling them over saline hydrides, when `H_(2)` escapes into the atmosphere, metal hydroxide is left in the flask while dry organic solvent distils over.
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Assertion : Saline hydrides are non volatile, non conducting & crystalline solids. Reason : Saline hydrides are compounds of hydrogen with most of the p-block elements.