Chemistry 1488 MCQs [All-Courses]

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The acetylene molecule contains:___________?

A 5 sigma bonds

B 4 sigma and 1 pi bonds

C 3 sigma and 2 pi bonds

D 2 sigma and 3 pi bonds

Review Detailed Answer

Correct Answer: 3 sigma and 2 pi bonds

Why does Ethyl Alcohol show high boiling point then Acetone?

A Due to Hydrogen bonding

B Due to high molecular weight

C Due to its Acidic nature

D Due to its Low molecular weight

Review Detailed Answer

Correct Answer: Due to Hydrogen bonding

Identify the unsaturated compound that does not give red ppts when treated with____________Ammonical cuprous chloride

A CH3-CH2-CCH (1-Butyne)

B CH3-CCH(1-Propyne)

C CH3-CH2-CH2CCH(1-Pentyne)

D CH2=CH2

Review Detailed Answer

Correct Answer: CH2=CH2

Why do we determined the boiling point of a liquid?

A To check its Acidity and Basicity

B To Check temperature

C To check its Purity and nature

D None of These

Review Detailed Answer

Correct Answer: To check its Purity and nature

In the presence of Zn, Hydrolysis of ozonide of 1-butene gives:_____________?

A Ethylene only

B Acetaldehyde and Formaldehyde

C Propionaldehyde and Formaldehyde

D Acetaldehyde only

Review Detailed Answer

Correct Answer: Propionaldehyde and Formaldehyde

An organic compound has a triple bond and not double bond. It can be tested by __________?

A Bromine water

B Bayer’s reagent

C Fehling solution

D Ammonical silver nitrate

Review Detailed Answer

Correct Answer: Ammonical silver nitrate

The Chemical Formula of Sand is___________?

A Si2O3

B SiO2

C Al2O3

D Sr2O

Review Detailed Answer

Correct Answer: SiO2

Which of the following has acidic hydrogen?

A Ethyne

B Ethene

C Ethane

D Benzene

Review Detailed Answer

Correct Answer: Ethyne

Benzene gives mainly_________?

A Addition reaction

B Substitution reactions

C Halogenation

D All of these

Review Detailed Answer

Correct Answer: Substitution reactions

Product formed when 2-pentyne reacts with ozone in the absence of Zinc is __________?

A CH3CH2CHO + CH3CHO

B CH3CH2CHO + CH3COOH

C CH3CH2COOH + CH3COOH

D CH3COOH + CO2

Review Detailed Answer

Correct Answer: CH3CH2COOH + CH3COOH

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Chemistry 1488 MCQs [All-Courses]

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All Topics 1488

The acetylene molecule contains:___________?

Why does Ethyl Alcohol show high boiling point then Acetone?

Identify the unsaturated compound that does not give red ppts when treated with____________Ammonical cuprous chloride

Why do we determined the boiling point of a liquid?

In the presence of Zn, Hydrolysis of ozonide of 1-butene gives:_____________?

An organic compound has a triple bond and not double bond. It can be tested by __________?

The Chemical Formula of Sand is___________?

Which of the following has acidic hydrogen?

Benzene gives mainly_________?

Product formed when 2-pentyne reacts with ozone in the absence of Zinc is __________?