From given metals select the metal which has a hydroxide that reacts with both acids and alkalis.

Sodium

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Zinc

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Magnesium

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Copper

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Solution

The correct option is D Zinc
Reactions:
$2 N a O H + Z n (O H)_{2} \to N a_{2} [Z n (O H)_{4}]$
$Z n (O H)_{2} + 4 H C l \to Z n C l_{2} + 2 H_{2} O$

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Similar questions

Q. From the metals-copper, iron, magnesium, sodium and zinc-select a different metal in each case which :
(a) does not react with dilute hydrochloric acid.
(b) can form 2⁺ and 3⁺ ions.
(c) has a hydroxide that reacts with both acids and alkalis.
(d) does not react with cold water, but reacts with steam when heated.

From the metals: copper, iron,magnesium, sodium, and zinc, select a different metal in each case which:

(a) does not react with dilute hydrochloric acid,

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(iv) does not react with cold water but reacts with steam when heated.
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From given metals select the metal which has a hydroxide that reacts with both acids and alkalis.

The correct option is D ZincReactions:2NaOH+Zn(OH)2→Na2[Zn(OH)4]Zn(OH)2+4HCl→ZnCl2+2H2O

The correct option is D Zinc
Reactions:
$2 N a O H + Z n (O H)_{2} \to N a_{2} [Z n (O H)_{4}]$
$Z n (O H)_{2} + 4 H C l \to Z n C l_{2} + 2 H_{2} O$