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MHT-CET PCB 09 — MHT - CET STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceMHT - CETMHT-CET PCB 091 Mark
MCQ
Which of the following is INCORRECT?
  • ✓
    The algebraic sum of the oxidation numbers of all the atoms in a polyatomic ion is zero.
  • B
    In all its compounds, the oxidation number of fluorine is −1.
  • C
    An element in the free or the uncombined state bears oxidation number zero.
  • D
    The oxidation number of hydrogen is either +1 or −1.
✓

Answer

Correct option: A.
The algebraic sum of the oxidation numbers of all the atoms in a polyatomic ion is zero.
A

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