1.

Metals form basic hydroxides. Which of the following metal hydroxides is the least basic?

Answer»

`MG(OH)_(2)`
`CA(OH)_(2)`
`Sr(OH)_(2)`
`Ba(OH)_(2)`

SOLUTION :BASIC character of the hydroxide increases down the GROUP as the size of metal increases. Solubility of hydroxide increases and hydroxide of Be and Mg are almost insoluble.


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