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Addition of S...

Addition of Sulphuric Acid and Water

Trending Questions

Q. How will you convert
(i) ethyne to ethane
(ii) ethyne to acetaldehyde?

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Q. The list of some organic compounds is given below:
ethanol, ethane, methane, ethyne, and ethene
From the above list, name a compound:
(i) formed by the dehydration of ethanol by concentrated sulphuric acid.
(ii) which forms methanoic acid on oxidation in the presence of copper at 200°C.
(iii) which has vapour density 14 and turns acidic potassium permanganate colourless.
(iv) which forms chloroform on halogenation in the presence of sunlight.
(v) which decolourises bromine solution in carbon tetrachloride.

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Q. Write the observation and name of the product for the following:
(i) When ethene is passed in bromine solution in CCl₄.
(ii) When Baeyers reagent reacts with ethene.

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Q. How would you convert:
(a) ethene into 1, 2-dibromoethane.
(b) ethene to bromoethane?

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Q.

Only one type of hydrocarbon is formed by wurtz reaction of

CH₃CH₂Cl
All of the above

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Q.

Identify the Liquid E can be dehydrated to produce ethene.

Propanol
Sulphuric acid
Acetic acid
Methanol
Ethanol

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Q. Conversion of ethanol to ethanoic acid is a/an:

Addition reaction
Oxidation reaction
Combustion reaction
Substitution reaction

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Q.

What will be the end product of this reaction ? $C H_{2} = C H_{2} + H . H_{2} S O_{4} \to$

$C H_{3} - C H_{2} H S O_{4}$
$C H_{2} - C H_{2} H S O_{4}$
$C H_{3} - C H_{2} H S O_{3}$
$C H_{2} - C H_{H} S O_{4}$

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Q. Question 14
Give a test that can be used chemically to differentiate between butter and cooking oil.

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Q. Select the correct answer from the choices a, b, c and d which are given.
Write only the letter corresponding to the correct answer.
(i) An organic compound undergoes addition reactions and gives a red colour precipitate with ammoniacal cuprous chloride. Therefore, the organic compound could be:
(a) Ethane
(b) Ethene
(c) Ethyne
(d) Ethanol

(ii) The organic compound mixed with ethanol to make it spurious is:
(a) Methanol
(b) Methanoic acid
(c) Methanal
(d) Ethanoic acid

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Q.

What will be the end product of this reaction ? $C H_{2} = C H_{2} + H . H_{2} S O_{4} \to$

$C H_{3} - C H_{2} H S O_{4}$
$C H_{2} - C H_{H} S O_{4}$
$C H_{2} - C H_{2} H S O_{4}$
$C H_{3} - C H_{2} H S O_{3}$

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Q. Complete the following reaction

C H_{3} C H = C H_{2} + H_{2} S O_{4} \to

+ H_{2} O - --- \to B o i l

+ H_{2} S O_{4}

$C H_{3} C H_{2} C H_{2} O S O_{3} H$
$C H_{3} C H_{2} C H O$
$C H_{3} C H (O S O_{3} H) C H_{3}$
$C H_{3} C H_{2} C H_{2} O H$
$C H_{3} C H_{2} C O O H$
$C H_{3} C H (O H) C H_{3}$

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Q.

The final product obtained when alkenes react with conc sulohuric acid and water is alcohols.

True
False

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Q.

The final product obtained when alkenes react with conc sulohuric acid and water is alcohols.

True
False

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Q.

CH₃CH=CH₂
Benzene
(C₆H₅)₃P=O

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Q. Complete the following reaction

C H_{3} C H = C H_{2} + H_{2} S O_{4} \to

+ H_{2} O - --- \to B o i l

+ H_{2} S O_{4}

$C H_{3} C H_{2} C H_{2} O S O_{3} H$
$C H_{3} C H_{2} C H O$
$C H_{3} C H (O S O_{3} H) C H_{3}$
$C H_{3} C H_{2} C H_{2} O H$
$C H_{3} C H_{2} C O O H$
$C H_{3} C H (O H) C H_{3}$

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Q. The compound (A) having molecular formula C3H3Cl with alcoholic KOH gives compound (B) with mol formula C3H6 (B) compound with HBr undergoes addition reaction to form C. Identify A, B, C and explain the reactions

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Q.

state observation when ethene is passed through alk. KMnO₄.

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