Practice question

MCQ

Question

What is the oxidation number of chlorine in Cl₂O₇?

Choose one · Correct answer highlighted

+5 +3 +1 +7 Correct

Let Cl = x. O = -2. Equation: 2x + 7(-2) = 0, 2x - 14 = 0, x = +7.

Share this question

Discussion

0 comments

Please log in to join the discussion.

No comments yet. Be the first to start the discussion.

Guides and insights connected to this topic

Protein 30 May 2023

Quaternary structure is the final level of protein structure and pertains to proteins that consist of more than one polypeptide chain. Each...

Genetic 25 Sep 2026

Understand genotypic ratios, how to calculate them for monohybrid, dihybrid and trihybrid crosses, and why they matter in Mendelian genetics.

25 Sep 2026

Learn the difference between dominant and recessive alleles, how homozygous and heterozygous genotypes express traits in plants, animals and humans.