Class 12th Chemistry 2017 Set2 Delhi Board Paper Solution

Question 5

Write the formula of an oxo-anion of chromium (Cr) in which it shows the oxidation state equal to its group number.

Answer

An oxo-anion of chromium (Cr) in which it shows the oxidation state equal to its group number is Cr2 O2−7 . Here, oxidation number of Cr is + 6 which is equal to its group number.

Popular Questions of Class 12th chemistry