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Question
Fill in the blanks. Choose from the following:
[oleum, two, three, acid, black, white, lead nitrate, ethene, sulphate, barium chloride solution, sulphur dioxide, normal]
Sulphur trioxide reacts with conc. sulphuric acid to form ______.
Fill in the Blanks
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Solution
Sulphur trioxide reacts with conc. sulphuric acid to form oleum.
Explanation:
Sulphur trioxide reacts with concentrated sulphuric acid to form oleum (H2S2O7).
\[\ce{SO3 + H2SO4 -> H2S2O7}\]
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Chapter 11: Study of Compounds D. Sulphuric Acid - EXERCISE-11 [Page 191]
