Salt A + S ⟶ B ⟶ BaCl 2 White ppt. A is paramagnetic in nature and contains about 55% potassium. Thus A is :

Question

Salt A + S ⟶ B ⟶ BaCl 2 White ppt. A is paramagnetic in nature and contains about 55% potassium. Thus A is :, K 2 O, K 2 O 2, KO 2, K 2 SO 4

MARKS App · Accepted Answer

2 KO 2 + S → Δ K 2 SO 4 K 2 SO 4 → BaCl 2 BaSO 4 White precipitate In KO 2 → O 2 - due to unpaired electron in π * ABMO is paramagnetic as per MOT. KO 2 ⇒ % of K is 3 9 7 1 × 1 0 0 = 55% w/w basis

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