Chemistry
Distinguish between the following pairs of compounds using the test given within brackets.
Dilute sulphuric acid and dilute hydrochloric acid [using barium chloride solution]
Sulphuric Acid
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Answer
Barium chloride soln. reacts with dilute sulphuric acid to give a white ppt. of barium sulphate (BaSO4) but with dilute hydrochloric acid no white ppt. is produced since barium chloride is soluble in dil. sulphuric acid.
H2SO4 (dil.) + BaCl2 (aq.) ⟶ 2HCl + BaSO4 ↓ [white ppt. formed]
HCl (dil.) + BaCl2 (aq.) ⟶ No reaction
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