In a test tube aluminium is mixed with sodium hydroxide. What will be the product formed?

NaAlO₂

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Al(OH)₂

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Al₂O₃

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Al₂O

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Solution

The correct option is A
NaAlO₂

Most of the metals do not react with bases. Only a few metals like aluminium, zinc and lead, react with solutions of strong bases like sodium hydroxide to produce a compound of that and hydrogen gas.
$2 A l + 2 N a O H ⟶ 2 N a A l O_{2} + H_{2}$

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In a test tube aluminium is mixed with sodium hydroxide. What will be the product formed?

The correct option is A NaAlO2 Most of the metals do not react with bases. Only a few metals like aluminium, zinc and lead, react with solutions of strong bases like sodium hydroxide to produce a compound of that and hydrogen gas. 2 Al + 2NaOH⟶2NaAlO2 + H2

The correct option is A
NaAlO₂

Most of the metals do not react with bases. Only a few metals like aluminium, zinc and lead, react with solutions of strong bases like sodium hydroxide to produce a compound of that and hydrogen gas.
$2 A l + 2 N a O H ⟶ 2 N a A l O_{2} + H_{2}$