CBSE Class XII Chemistry 2017 Question Papers With Solutions
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Question : 1
Total: 31
Write the formula of an oxo-anion of Manganese (Mn) in which it shows the oxidation state equal to its group number.
Solution:
The formula of an oxo-anion of manganese (Mn) in which it shows the oxidation state equal to its group number is M n O 4 2 − .
InM n O 4 2 − , M n
Mn + (−2 × 4) = −1
Mn – 8 = −1
Mn = +7
The group number of manganese is 7.
In
Mn + (−2 × 4) = −1
Mn – 8 = −1
Mn = +7
The group number of manganese is 7.
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