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NEET CHEMISTRYP Block ElementsEasy

Question

Which of the following oxide is amphoteric in nature?

A

SnO₂

B

SiO₂

C

GeO₂

D

CO₂

Step-by-Step Solution

The nature of oxides changes from acidic to basic as we move down Group 14.

  1. CO₂ and SiO₂: Carbon and Silicon are non-metals, and their oxides (CO2CO_2, SiO2SiO_2) are acidic in nature.
  2. GeO₂: Germanium is a metalloid, and its oxide (GeO2GeO_2) is distinctly acidic, though less so than SiO2SiO_2.
  3. SnO₂: Tin is a metal (with some non-metallic character), and its dioxide (SnO2SnO_2) is amphoteric. It reacts with both strong acids and strong bases.
  4. General Trend: Oxides of elements in the center of the periodic table or transitional zones often exhibit amphoteric behavior [Source 80].

Exam Context & Concepts Covered

This question aligns with the NEET CHEMISTRY syllabus, specifically targeting concepts from P Block Elements. Mastering this topic is crucial for scoring well in the upcoming medical entrance examinations. Solving conceptually related problems will help you understand the nuances of these concepts and improve your problem-solving speed.

CHEMISTRYP Block Elementsfollowingamphotericnature

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