Download App

Redox Reactions — Chemistry STD 11 Science — Question

Maharashtra BoardEnglish MediumSTD 11 ScienceChemistryRedox Reactions1 Mark
MCQ
What is the oxidation state of oxygen in $\mathrm{O}_2^{2-}$ ion?
  • A
    -2
  • ✓
    -1
  • C
    +1
  • D
    +2
✓

Answer

Correct option: B.
-1
B

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "MCQ" from Redox Reactions→Redox Reactions — all question types→Chemistry STD 11 Science question papers→Maharashtra Board STD 11 Science question papers→Maharashtra Board question paper generator→

Similar questions

Tritium, $\left({ }_1^3 H \right)$ ______________
→
The decreasing order of bond angle in the following molecules is
→
Which O2 molecule is pargmagnetic. It is explained on the basis of :
→
Which of the following has the largest number of atoms ?
→
Aspirin is a/an …………….
→
Which of the following statements is NOT correct?
→
Salvarsan is arsenic containing drug which was first used for the treatment of …………….
→
What type of following phenomena is NOT exhibited by adsorption?
→
Which of the following has maximum number of molecules ?
→
When acetylene is passed through dil $H _2 SO _4$ in the presence of $1 \%$ mercuric sulphate, the compound formed is ……………..
→