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

(a)

Aldehyde

(b)

Carboxylic acid

(c)

Ketone

(d)

Alcohol

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

(a)

C₃H₈ and C₄H₁₀

(b)

C₂H₂ and C₂H₄

(c)

CH₄ and C₃H₆

(d)

C₂H₅OH and C₄H₈OH

Rectified spirit is an aqueous solution which contains about _______ of ethanol

(a)

95.5 %

(b)

75.5 %

(c)

55.5 %

(d)

45.5 %

TFM in soaps represents ___________ content in soap

(a)

mineral

(b)

vitamin

(c)

fatty acid

(d)

carbohydrate

Cyclobutane is an example of ______________ compounds.

(a)

a cyclic

(b)

cyclic

(c)

aromatic

(d)

alicyclic

Ethene is an ___________

(a)

alkane

(b)

alkene

(c)

alkyne

(d)

aromatic hydrocarbon

Identify the ketone among the following

(a)

CH₃COCH₃

(b)

CH₃CHO

(c)

CH₃COOH

(d)

CH₃COOCH₃

According to IUPAC rules, the secondary suffix used to represent carboxylic acids is  _________________.

(a)

al

(b)

ol

(c)

ate

(d)

oic

Rectified spirit contains

(a)

95.5% of ethanol and 4.5% of water

(b)

100% pure alcohol

(c)

4.5% of ethanol and 95.5% of water

(d)

50% of ethanal and 50% of water

When ethanol reacts with acidified K₂Cr₂O₇ the orange color of K₂Cr₂O₇ changes to _____________

(a)

yellow

(b)

red

(c)

purple

(d)

green