Which of the following statements are correct- – InterviewSolution

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1.	Which of the following statements are correct-
Answer» S -S BOND is presentin `H_(2)S_(2)O_(8)` in peroxosulphuric acid`(H_(2)SO_(5))` SULPHURIS in +6 OXIDATIONSTATE iron POWDER along with `Al_(2)O_(3)`and `K_(2)O`is usedas a catalyst in the preparationof `NH_(3)`by Haber'sprocess changeinethalpy is posititvefor thpreparationof `SO_(3)`by catalyticoxidationof `SO_(2)` Answer :A

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