Chemistrymedium · Past Paper
What is the oxidation state of Nitrogen in Ammonia ($NH_3$)?
A+3
B-3
C0
D+5
✓ Correct Answer: B — -3
Hydrogen is +1. N + 3(+1) = 0, so N = -3.
Share this question
More from Chemistry
- What is the substance that speeds up a reaction without being consumed itself?
- What is the common name for the reaction between an acid and a base?
- What is the total number of atoms in one molecule of Sulphuric Acid?
- What happens to the metallic character of elements as we move from left to right across a period?
- What is the effect of increasing the concentration of $H^+$ ions on pH?