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The complex compound formed when aluminum dissolves in aqueous sodium hydroxide is

Chemistry
WAEC 2012

The complex compound formed when aluminum dissolves in aqueous sodium hydroxide is

  • A. Na3Al(OH)4.
  • B. NaAl(OH)4
  • C. NaAl(OH)3
  • D. Na2Al(OH)3
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Correct Answer: Option B
Explanation

When aluminium is treated with dilute sodium hydroxide it forms a salt called sodium tetrahydroxoaluminate and hydrogen gas.

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