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Chemistry 1488 MCQs [All-Courses]

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Which of the following is the most reactive_________________?

A ethane

B ethyne

C ethene

D benzene

Review Detailed Answer

Correct Answer: ethene

Melting points of VII-A group elements down the group ____________________?

A Increase

B Decrease

C Remain constant

D No regular trend

Review Detailed Answer

Correct Answer: Increase

R-Mg-Br is called___________________?

A Grignard reagent

B Metallic alkyl halide

C Both A & B

D Alkyl

Review Detailed Answer

Correct Answer: Both A & B

Higher value of electron affinity means__________________?

A Atom will lose electron easily

B Atom will gain electron easily

C Atom may form di-positive ion

D The reason is unknown

Review Detailed Answer

Correct Answer: Atom will gain electron easily

Molozonide is unstable and changes into ozonide on_________________?

A reduction

B oxidation

C hydrolysis

D rearrangement

Review Detailed Answer

Correct Answer: rearrangement

Shielding effect across the period_________________?

A Increases

B Decreases

C Can not be predicted

D Remains constant

Review Detailed Answer

Correct Answer: Remains constant

Removal of CO2 is called_____________________?

A carboxylation

B decarboxylation

C esterification

D hydroxylation

Review Detailed Answer

Correct Answer: carboxylation

The atoms of same element having same atomic number but different mass number are called____________________?

A Isobars

B Isomers

C Isotopes

D Isotropes

Review Detailed Answer

Correct Answer: Isotopes

Hydrogenolysis results in the formation of________________?

A alkane

B alkene

C alkyne

D aldehydes

Review Detailed Answer

Correct Answer: alkane

Which of the following ion is stable in aqueous solution ?

A H+

B H-

C Cl-

D All are stable

Review Detailed Answer

Correct Answer: Cl-

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Chemistry 1488 MCQs [All-Courses]

All Topics 1488

All Topics 1488

Which of the following is the most reactive_________________?

Melting points of VII-A group elements down the group ____________________?

R-Mg-Br is called___________________?

Higher value of electron affinity means__________________?

Molozonide is unstable and changes into ozonide on_________________?

Shielding effect across the period_________________?

Removal of CO2 is called_____________________?

The atoms of same element having same atomic number but different mass number are called____________________?

Hydrogenolysis results in the formation of________________?

Which of the following ion is stable in aqueous solution ?