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Q105) The oxidation states of sulphur in the anions SO32-, S2O42- , S2O62- follow order ... [ CBSE PMT 2003]




SOLUTION

Oxidation number in : SO32- = +4
S2O42- = +3
S2O62- = +5
Answer: (a)


Q106) Oleum is chemically known as ... [ MPPMT 2002]




SOLUTION


Answer: (c)


Q107) Which of the following is not linear? [ Manipal PMT 2001]



SOLUTION

SO2 is angular
Answer:(b)



Q108) Which is the best oxidising agent among the following? [ EAMCET 1999]



SOLUTION

Oxygen is the only element which acts as an oxidising agent amongst oxygen family member
Answer: (b)


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