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NEET2011ChemistryClassification of Elements and Periodicity in PropertiesActual

Which of the following oxide is amphoteric?

Options

  1. ASnO ₂
  2. BCaO
  3. CSiO ₂
  4. DCO ₂

Correct answer

A. SnO ₂

Step-by-step solution

SnO ₂ is an amphoteric oxide because it reacts with acids as well as bases to form corresponding salts. aligned & SnO ₂+4 HCl SnCl ₄+2 H ₂ O & SnO ₂+2 NaOH array c Na ₂ SnO ₃+ H ₂ O sod. stannate array aligned

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