CHM · CHM-2026-C11-088Chemistry
Identify the incorrect statement from the following
- AThe largest and the smallest species among Mg, Mg2+, Al and Al3+ are Al and Mg2+ respectively.
- BThe IUPAC name of the element with atomic number 107 is Unnilseptium.
- CThe similarity in behaviour of Li with Mg is referred to as 'diagonal relationship'.
- DThe oxidation state and covalency of Al in [AlCl(H2O)5]2+ are 3 and 6, respectively.
Answer key pending — reference only, not scored