Ethanol can be converted into ethene which can be changed into ethane. Choose the correct word or phrase from the brackets to complete the following sentences.

(b) Converting ethanol into ethene requires the use of .

(conc. $H C l$ , conc. $H N O_{3}$ , conc. $H_{2} S O_{4}$ ).

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Solution

Answer- Conc. $H_{2} S O_{4}$

Converting ethanol into ethene requires the use of conc. $H_{2} S O_{4}$ .

Conc. $H_{2} S O_{4}$ acid is a dehydrating agent.

It is easy to remove water from the reaction mixture when conc. $H_{2} S O_{4}$ was used.

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Ethanol can be converted into ethene which can be changed into ethane. Choose the correct word or phrase from the brackets to complete the following sentences.

(a) The conversion of ethanol into ethene is an example of (dehydration, dehydrogenation).
(b) Converting ethanol into ethene requires the use of (conc. HCl, conc. $H N O_{3}, c o n c . H_{2} S O_{4})$ .
(c) The conversion of ethene into ethane is an example of (hydration, hydrogenation).
(d) The catalyst used in the conversion of ethene into ethane is commonly (iron, nickel, cobalt).

Q. Ethanol can be converted to ethene which can then be changed to ethane.
Choose the correct word or phrase from the brackets to complete the following sentences:
(i) The conversion of ethanol to ethene is an example of ........... (dehydration, dehydrogenation).
(ii) Converting ethanol to ethene requires the use of ......... (concentrated hydrochloric acid, concentrated nitric acid, concentrated sulphuric acid).
(iii) The conversion of ethene to ethane is an example of ......... (hydration, hydrogenation).
(iv) The catalyst used in the conversion of ethene to ethane is commonly ............ (iron, cobalt, nickel).

Convert ethanol into ethene using
(a) solid dehydrating agent
(b) hot conc. $H_{2} S O_{4}$ ?
Give only balanced equations.

Q. Ethanol can be converted into ethene which can be changed into ethane. Choose the correct word or phrase from the brackets to complete the following sentences.

(a) The conversion of ethanol into ethene is an example of .

(dehydration, dehydrogenation).

Q. Ethanol can be converted into ethene which can be changed into ethane. Choose the correct word or phrase from the brackets to complete the following sentences.

(c) The conversion of ethene into ethane is an example of .
(hydration, hydrogenation).

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Hydrogen Bonding

Standard XII Chemistry

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Ethanol can be converted into ethene which can be changed into ethane. Choose the correct word or phrase from the brackets to complete the following sentences. (b) Converting ethanol into ethene requires the use of . (conc. HCl, conc. HNO3, conc. H2SO4).

Answer- Conc. H2SO4 Converting ethanol into ethene requires the use of conc. H2SO4. Conc. H2SO4 acid is a dehydrating agent. It is easy to remove water from the reaction mixture when conc. H2SO4 was used.

Ethanol can be converted into ethene which can be changed into ethane. Choose the correct word or phrase from the brackets to complete the following sentences.

(b) Converting ethanol into ethene requires the use of .

(conc. $H C l$ , conc. $H N O_{3}$ , conc. $H_{2} S O_{4}$ ).

Answer- Conc. $H_{2} S O_{4}$

Converting ethanol into ethene requires the use of conc. $H_{2} S O_{4}$ .

Conc. $H_{2} S O_{4}$ acid is a dehydrating agent.

It is easy to remove water from the reaction mixture when conc. $H_{2} S O_{4}$ was used.