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Carboxylic Acids

What happens ...

Question

What happens when (write chemical equation in each case) (a) ethanol is burnt in air? (b) ethanol is heated with excess conc. $H_{2} S O_{4}$ at 443 K? (c) A piece of sodium is dropped into ethanol?

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Solution

$(a) C H_{3} C H_{2} O H + 3 O_{2} A i r - - \to 2 C O_{2} + 3 H_{2} O$ + Heat + light
Ethanol oxygen carbondioxide water
$(b) C H_{3} C H_{2} O H C o n c . H_{2} S O_{4} - ------- \to C H_{2} = C H_{2} + H_{2} O$
Ethanol ethene water
$(c) 2 C H_{3} C H_{2} O H + 2 N a \to 2 C H_{3} C H_{2} O N a + H_{2}$
Ethanol sodium sodium ethoxide hydrogen gas

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Similar questions

Q. Write the structural formula of ethanol. What happens when it is heated with excess of conc.

H_{2} S O_{4}

at 443 K? Write the chemical equation for the reaction stating the role of conc.

H_{2} S O_{4}

in this reaction.

Q. Write the name and the structural formula of the compound formed when ethanol is heated at 443 K with excess of conc.

H_{2} S O_{4}

. State the role of conc.

H_{2} S O_{4}

in this reaction. Write chemical equation for the reaction.

Q. What happens when a small piece of sodium is dropped into ethanol?

Ethanol, when heated with excess conc. H₂SO₄ at 443K undergoes ________.

Q. (a) What are isomers? Write the structures of two isomers of butane

(C_{4} H_{10})

.
(b) Write the name and chemical equation for the reaction that takes place when

5 %

solution of alkaline

K M n O_{4}

is added drop by drop to warm ethanol.
(c) Name the product formed when ethanol is heated at

443

K with excess conc.

H_{2} S O_{4}

and state the role of conc.

H_{2} S O_{4}

in the reaction.

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