CARBON AND ITS COMPOUNDS

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By - Gowthamraj. V, - B.T. Assistant - GHS - Kadukalur

Name *

School Name with District *

Whatsapp Number *

The molecular formula of an open chain organic compound is C3H6. The class of the compound is__________. *

1 point

a) alkane

b) alkene

c) alkyne

d) alcohol

The IUPAC name of an organic compound is 3-Methyl butan-1-ol. What type compound it is? *

1 point

a) Aldehyde

b) Carboxylic acid

c) Ketone

d) Alcohol

The secondary suffix used in IUPAC nomenclature of an aldehyde is __________. *

1 point

a) – ol

b) – oic acid

c) – al

d) – one

Which of the following pairs can be the successive members of a homologous series? *

1 point

a) C3H8 and C4H10

b) C2H2 and C2H4

c) CH4 and C3H6

d) C2H5OH and C4H8OH

C2H5OH + 3O2 → 2CO2 + 3H2O is a __________. *

1 point

a) Reduction of ethanol

b) Combustion of ethanol

c) Oxidation of ethanoic acid

d) Oxidation of ethanol

Rectified spirit is an aqueous solution which contains about __________ of ethanol. *

1 point

அ.95.5 %

ஆ. 75.5 %

இ. 55.5 %

ஈ. 45.5 %

Which of the following are used as anaesthetics? *

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a) Carboxylic acids

b) Ethers

c) Esters

d) Aldehydes

TFM in soaps represents ___________ content in soap. *

1 point

a) mineral

b) vitamin

c) fatty acid

d) carbohydrate

Which of the following statements is wrong about detergents? *

1 point

a) It is a sodium salt of long chain fatty acids

b) It is sodium salts of sulphonic acids

c) The ionic part in a detergent is –SO3–Na+

d) It is effective even in hard water.

Functional group Present in acetone is __________. *

1 point

a) Alcohols

b) Aldehydes

c) Ethers

d) Ketones

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