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A mixture of three alkyl chloride $C H_{3} C l, C H_{3} C H_{2} C l, C H_{3} C H_{2} C H_{2} C l$ under goes Wurtz coupling reaction. The product contains:

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Important Questions on Hydrocarbons

MEDIUM

Chemistry>Organic Chemistry>Hydrocarbons>Alkanes

Assertion (A): Sodium acetate on Kolbe's electrolysis gives ethane.

Reason (R): Methyl free radical is formed at cathode.

EASY

Chemistry>Organic Chemistry>Hydrocarbons>Alkanes

Hydrocarbon

(A)

reacts with bromine by substitution to form an alkyl bromide which by Wurtz reaction is converted to a gaseous hydrocarbon containing less than four carbon atoms,

(A)

EASY

Chemistry>Organic Chemistry>Hydrocarbons>Alkanes

Reaction of sodium acetate with soda lime will produce which of the following?

MEDIUM

Chemistry>Organic Chemistry>Hydrocarbons>Alkanes

In the reaction of

1 -

bromo

- 3 -

chlorocyclobutane with two equivalents of sodium in ether, the major product is

EASY

Chemistry>Organic Chemistry>Hydrocarbons>Alkanes

Which of the following alkane cannot be made in good yield by Wurtz reaction?

MEDIUM

Chemistry>Organic Chemistry>Hydrocarbons>Alkanes

How many grams of cyclohexanol is required to produce

20 g

cyclohexane, if

%

yield is

54 %

EASY

Chemistry>Organic Chemistry>Hydrocarbons>Alkanes

Which of the following reactions is used for producing symmetrical alkane with double carbon atoms?

MEDIUM

Chemistry>Organic Chemistry>Hydrocarbons>Alkanes

Among the following reactions, the reaction that "does not" give alkane product is

EASY

Chemistry>Organic Chemistry>Hydrocarbons>Alkanes

Which one of the following reactions gives the product with less number of carbon atoms than the starting material?

MEDIUM

Chemistry>Organic Chemistry>Hydrocarbons>Alkanes

If a mixture of iodomethane and iodoethane is treated with sodium metal in presence of dry ether it forms

MEDIUM

Chemistry>Organic Chemistry>Hydrocarbons>Alkanes

{CH}_{3} Br + 2 Na + {CH}_{3} Br \overset{Dry ether}{\to} {CH}_{3} - {CH}_{3} + 2 NaBr

The reaction is

MEDIUM

Chemistry>Organic Chemistry>Hydrocarbons>Alkanes

How many gram of sodium (atomic mass 23 u) is required to prepare one mole of ethane from methyl chloride by Wurtz reaction?

MEDIUM

Chemistry>Organic Chemistry>Hydrocarbons>Alkanes

Write a short note on 'Wurtz reaction'.

EASY

Chemistry>Organic Chemistry>Hydrocarbons>Alkanes

By which of the following reactions, methane can't be prepared:

A =

Wurtz reaction

B =

Reduction of alkyl halides with zinc and dil.

HCl

C =

Kolbe's electrolysis

D =

Catalytic hydrogenation of alkenes

MEDIUM

Chemistry>Organic Chemistry>Hydrocarbons>Alkanes

Which of the following reactions produce(s) propane as a major product?

MEDIUM

Chemistry>Organic Chemistry>Hydrocarbons>Alkanes

100 mL

solution of

{CH}_{3} {CH}_{2} MgBr

on treatment with methanol produces

2.24 mL

of a gas at STP. The weight of gas produced is____mg (nearest integer)

HARD

Chemistry>Organic Chemistry>Hydrocarbons>Alkanes

A sample of

4.5 mg

of an unknown monohydric alcohol,

R - OH

was added to methylmagnesium iodide. A gas is evolved and is collected and its volume measured to be

3.1 mL

. The molecular weight of the unknown alcohol is

g / mol

MEDIUM

Chemistry>Organic Chemistry>Hydrocarbons>Alkanes

Which of the statement is incorrect if electrolysis of

{CH}_{3} COONa (aq)

is made using

Pt

electrodes ?

MEDIUM

Chemistry>Organic Chemistry>Hydrocarbons>Alkanes

Alkyl halides react with dialkyl copper reagents to give

EASY

Chemistry>Organic Chemistry>Hydrocarbons>Alkanes

The gas evolved on heating

C H_{3} M g B r

in methanol is:

A mixture of three alkyl chloride CH3Cl,CH3CH2Cl,CH3CH2CH2Cl under goes Wurtz coupling reaction. The product contains:

Important Questions on Hydrocarbons

Learn and Prepare for any exam you want !

A mixture of three alkyl chloride $C H_{3} C l, C H_{3} C H_{2} C l, C H_{3} C H_{2} C H_{2} C l$ under goes Wurtz coupling reaction. The product contains: