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Question: What is the decreasing order of basicity of hydroxides of the alkaline earth metals?...

What is the decreasing order of basicity of hydroxides of the alkaline earth metals?

A

Be(OH)2>Mg(OH)2>Sr(OH)2>Ba(OH)2Be(OH)_{2} > Mg(OH)_{2} > Sr(OH)_{2} > Ba(OH)_{2}

B

Mg(OH)2>Be(OH)2>Ba(OH)2>Sr(OH)2Mg(OH)_{2} > Be(OH)_{2} > Ba(OH)_{2} > Sr(OH)_{2}

C

Ba(OH)2>Sr(OH)2>Mg(OH)>Be(OH)2Ba(OH)_{2} > Sr(OH)_{2} > Mg(OH) > Be(OH)_{2}

D

Sr(OH)2>Be(OH)2>Mg(OH)2>Ba(OH)2Sr(OH)_{2} > Be(OH)_{2} > Mg(OH)_{2} > Ba(OH)_{2}

Answer

Ba(OH)2>Sr(OH)2>Mg(OH)>Be(OH)2Ba(OH)_{2} > Sr(OH)_{2} > Mg(OH) > Be(OH)_{2}

Explanation

Solution

: Basic strength of hydroxides increases as we move down the group.