Chemistry 1488 MCQs [All-Courses]

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Saponification is the hydrolysis of fat or oil with an__________________?

A Acid

B Alkali

C Enzyme and alkali

D Enzyme and acid

Review Detailed Answer

Correct Answer: Alkali

The element having electronic configuration [kr] 4d10, 4f14,5s2,5p6,5d1,6s2 belongs to __________?

A S-Block

B P-Block

C d-Block

D f-Block

Review Detailed Answer

Correct Answer: f-Block

Mixture of catalysts Cr2O3 + A?2O3 + SiO2 at 500?C are used when benzene is prepared from_______________?

A acetylene

B N-hexane

C Benzene sulphonic acid

D Sodium benzoate

Review Detailed Answer

Correct Answer: N-hexane

Triglycerides are easily hydrolyzed by enzymes called_________________?

A Lyases

B Ligases

C Lipases

D Hydrolases

Review Detailed Answer

Correct Answer: Lipases

Which group contains elements that exist as monoatomic molecule?

A 1

B 2

C 14

D 18

Review Detailed Answer

Correct Answer: 1

Chlorination of toluene in the presence of sublight produces_________________?

A Benzyl chloride

B o – chlorotoluene

C p – chlorotoluene

D benzoic acid

Review Detailed Answer

Correct Answer: Benzyl chloride

Animal and vegetable fats are___________________?

A Glycerols

B Fatty acids

C Triesters formed from glycerol and fatty acids

D Tetraesters formed from glycerol and fatty acids

Review Detailed Answer

Correct Answer: Triesters formed from glycerol and fatty acids

The concept of telluric helix was developed by___________?

A Lother Meyer

B A.E de Chancourtois

C Newland

D Dobereiner

Review Detailed Answer

Correct Answer: A.E de Chancourtois

By which method the molecular mass of benzene was determined as 78.108 ?

A Specific gravity method

B Vapour density method

C X-ray diffraction method

D Distillation methos

Review Detailed Answer

Correct Answer: Vapour density method

Lipids are soluble in___________________?

A Organic solvents

B Organic and inorganic solvents

C Inorganic solvents

D Solubility has nothing to do with lipids

Review Detailed Answer

Correct Answer: Organic solvents

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Chemistry 1488 MCQs [All-Courses]

All Topics 1488

All Topics 1488

Saponification is the hydrolysis of fat or oil with an__________________?

The element having electronic configuration [kr] 4d10, 4f14,5s2,5p6,5d1,6s2 belongs to __________?

Mixture of catalysts Cr2O3 + A?2O3 + SiO2 at 500?C are used when benzene is prepared from_______________?

Triglycerides are easily hydrolyzed by enzymes called_________________?

Which group contains elements that exist as monoatomic molecule?

Chlorination of toluene in the presence of sublight produces_________________?

Animal and vegetable fats are___________________?

The concept of telluric helix was developed by___________?

By which method the molecular mass of benzene was determined as 78.108 ?

Lipids are soluble in___________________?