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Reactivity with Air and Water (Group 2)

A metal M rea...

Question

A metal M readily forms water soluble sulphate $M S O_{4}$ water insoluble hydroxide $M (O H)_{2}$ and oxide MO which becomes inert on heating.The hydroxide is soluble in NaOH. The metal is

A

Be

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B

Mg

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C

Ca

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D

Sr

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Solution

The correct option is A
Be

BeO being an amphoteric oxides dissolves in NaOH

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Similar questions

M

readily forms water soluble sulphate

M S O_{4}

, water insoluble hydroxide

M (O H)_{2}

M O

which becomes inert on heating. The hydroxide is soluble in

N a O H

M

Q. A metal M readily forms water-soluble sulphate

M S O_{4}

, water insoluble hydroxide

M (O H)_{2}

and oxide MO which becomes inert on heating.

The hydroxide is soluble in NaOH. The metal M is:

M

readily forms water soluble sulphate

M S O_{4}

, water insoluble hydroxide

M (O H)_{2}

M O

which becomes inert on heating. The hydroxide is soluble in

N a O H

M

Q. A metal M readily forms water-soluble sulphate

M S O_{4}

,water-insoluble hydroxide

M (O H)_{2}

and oxide MO which becomes inert on heating.The hydroxide is soluble in NaOH,The M is:

M

readily forms sulphate

M S O_{4}

which is water soluble. It forms oxide

M O

which becomes inert on heating. It forms insoluble hydroxide which is soluble in

N a O H

M

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