pls answer this. it's urgent
the options are :
(a) Both the Assertion and Reason are correct and the reason is the correct
explanation of the Assertion.
(b) The Assertion and the reason are correct but the Reason is not the correct
explanation of the Assertion.
(c) Assertion is true but the Reason is false.
(d) The statement of the Assertion is false but the reason is true.
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15th question answer is both tha assertion and reason are correct,
Expalanation
Mn^+4 changes to Mn^+2
Cl^-1 changes to Cl ^0
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