What happens when concentrated sulphuric acid is added to glucose?

Glucose is converted to fructose

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Water is removed from the glucose

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SO₂ is evolved

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Reaction doesn’t occur

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Solution

The correct option is B
Water is removed from the glucose

The sulphuric acid dehydrates the carbohydrate sugar, removing the water and heating it into steam leaving behind a carbon foam.

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Q. What happens when sulphuric acid is diluted by adding water to concentrated

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Q. What happens when Epsom salt is added to sulphuric acid ??

Give reasons for the following:
(i) In the contact process, sulphur trioxide formed is dissolved in 98% sulphuric acid and not in water.
(ii) When solution of sulphur dioxide is exposed to air, it gets converted to sulphuric acid.
(iii) When diluting concentrated sulphuric acid, the acid should be added to water and not water to the acid.
(iv) When concentrated sulphuric acid is exposed to air, its volume increases and it becomes slightly dilute.
(v) Sulphuric acid can form two kinds of salts with sodium chloride.
(vi) When barium chloride is added to dilute sulphuric acid, a white precipitate is formed.
(vii) When carbon is heated with concentrated sulphuric acid, carbon dioxide is formed.
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(xiii) Cotton clothes get burnt with concentrated sulphuric acid.
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What happens when concentrated sulphuric acid is added to glucose?

The correct option is B Water is removed from the glucose The sulphuric acid dehydrates the carbohydrate sugar, removing the water and heating it into steam leaving behind a carbon foam.

The correct option is B
Water is removed from the glucose

The sulphuric acid dehydrates the carbohydrate sugar, removing the water and heating it into steam leaving behind a carbon foam.