Question
Statement I : Oxygen is always present in –2 oxidation state.
Statement II : Stability of oxidation state of group16 for +4 and +6 decreases down the group.
Options :
Both the statements are correct and Statement II is correct explanation of Statement I
Both the statements are correct and Statement II does not support Statement I
Statement I is correct and II is false
Statement II is correct and Statement I is false
Answer :
Statement II is correct and Statement I is false
Solution :
Oxygen can show –2, –1, -(1/2) , +1, +2 and 0 oxidation state also.
Stability of +6 oxidation state decreases down the group due to inert pair effect.
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