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NEET2017Chemistryp Block Elements (Group 15, 16, 17 & 18)Actual

In which of the following compounds, sulphur show maximum oxidation number?

Options

  1. AH ₂ SO ₄
  2. BSO ₃
  3. CH ₂ ~S ₂ O ₇
  4. DAll have same oxidation number for sulphur

Correct answer

D. All have same oxidation number for sulphur

Step-by-step solution

All have same oxidation number for sulphate, i.e +6 . (i)Oxidation number of S is aligned & H ₂ SO ₄=+2+x-8=0 & x=+6 aligned (ii) Oxidation number of S in SO ₃=x-6=0 x=+6 aligned & (iii) Oxidation number of S in H ₂ ~S ₂ O ₇ & =2+2 x-14=0 aligned aligned 2 x & =+12 x & =+6 aligned [where, x= Oxidation number sulphur (S) ]

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