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MHT CET Chemistry p Block Elements (Group 13 & 14) 2026 MHT CET 2026 (18 April Shift 1)

MHT CET Chemistry Question (2026) — Solution

Question

What is the formula of Tin (IV) oxide?

Options

  1. A. Sn _2 O _3
  2. B. SnO _2
  3. C. SnO _4
  4. D. SnO

Answer

B. SnO _2

Step-by-step solution

The oxidation state of Tin (Sn) in Tin (IV) oxide is +4. The oxidation state of Oxygen (O) in an oxide ion is -2. To form a neutral compound, the total positive charge must balance the total negative charge. Two oxide ions are required to balance one Tin (IV) ion. Using the criss-cross method, the formula is initially Sn _2 O _4, which simplifies to the empirical formula SnO _2. Answer: SnO _2

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