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BITSAT2020ChemistryClassification of Elements and Periodicity in PropertiesActual

Arrange the following ions in the order of decreasing X - O bond length, where X is the central atom

Options

  1. AClO ₄⁻, SO ₄²⁻, PO ₄³⁻, SiO ₄⁻
  2. BSiO ₄⁴⁻, PO ₄³⁻, SO ₄²⁻, ClO ₄⁻
  3. CSiO ₄⁴⁻, PO ₄³⁻, ClO ₄⁻, SO ₄²⁻
  4. DSiO ₄⁴⁻, SO ₄²⁻, PO ₄³⁻, ClO ₄⁻

Correct answer

B. SiO ₄⁴⁻, PO ₄³⁻, SO ₄²⁻, ClO ₄⁻

Step-by-step solution

More will be the electronegativity of X lesser will be the bond length of X - O bond.

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