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P Block Elements question

2011 · Q60
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P Block Elements question

2011 · Q60

NEETChemistryP Block ElementsMCQ+4 / −1
Which of the following oxide is amphoteric?
  1. A
    SnO2
  2. B
    CaO
  3. C
    SiO2
  4. D
    CO2
View written solutionFree

Correct answer: A

SnO2 reacts with acid as well as base. So SnO2 is an amphoteric.

SnO2

  • 4HCl →\to→ SnCl2
  • 2H2O

    SnO2
  • 2NaOH →\to→ Na2SnO3
  • H2O

    CaO is basic in nature while SiO2 and CO2 are acidic in nature.
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