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NEETChemistryp Block Elements (Group 13 & 14)

What is the product when aluminum reacts with aqueous alkali?

Options

  1. ASodium hydroxide
  2. BAluminum chloride
  3. CSodium tetrahydroxoaluminate(III)
  4. DHydrogen peroxide

Correct answer

C. Sodium tetrahydroxoaluminate(III)

Step-by-step solution

The reaction equation: 2Al (s) + 2NaOH(aq) + 6H 2 O(l) → 2 Na+[Al(OH) 4 ]–(aq) + 3H 2 (g), indicates the formation of sodium tetrahydroxoaluminate(III).

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