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BITSAT2023Chemistryp Block Elements (Group 13 & 14)Actual

What is x in the following reaction? Al ( s )+ NaOH ( aq )+ H ₂ O ( l ) x+ H ₂( ~g )

Options

  1. ANa ₂ [ Al ( OH )₄ ]⁻
  2. BNa ⁺ [ Al ( OH )₄ ]⁻
  3. CNa ₂ [ Al ( OH )₆ ]⁻
  4. DNa ⁺ [ Al ( OH )₆ ]⁻

Correct answer

B. Na ⁺ [ Al ( OH )₄ ]⁻

Step-by-step solution

2 Al ( s )+2 NaOH ( aq )+6 H ₂ O ( l ) 2 Na ⁺ [ Al ( OH )₄ ]⁻( aq )+3 H ₂( ~g )

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