Chemistry 1488 MCQs [All-Courses]

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Atomic orbits having same energy are called________________?

A Degenerate orbitals

B Bonding molecular orbitals

C Anti bonding molecular orbitals

D Half filled orbitals

Review Detailed Answer

Correct Answer: Degenerate orbitals

Which of the following noble gases is not present in atmosphere?

A Argon

B Helium

C Radon

D Xenon

Review Detailed Answer

Correct Answer: Radon

Formalin is ___________ solution of formaldehyde in water?

A 10%

B 20%

C 40%

D 60%

Review Detailed Answer

Correct Answer: 40%

The easy way of balancing the chemical equation is_________?

A according to atom’s atomic number.

B According to atom’s atomic mass.

C First we balance Metal than non-metal than Hydrogen than Oxygen.

D None of the above

Review Detailed Answer

Correct Answer: First we balance Metal than non-metal than Hydrogen than Oxygen.

The carbon atom of carbonyl group is__________________?

A sp hybridized

B sp2 hybridized

C cp3 hybridized

D dsp2 hybridized

Review Detailed Answer

Correct Answer: sp2 hybridized

Which one of the following is also known as lactic acid ?

A 3-Hydroxy propanoic acid

B 2-Hydroxy propanoic acid

C 2-hydroxy butanoic acid

D 3-hydroxy butanoic acid

Review Detailed Answer

Correct Answer: 2-Hydroxy propanoic acid

Which of the following will have the highest boiling point ?

A methanol

B ethanal

C propanal

D hexanone

Review Detailed Answer

Correct Answer: hexanone

Ethers show functional group isomerism with __________________?

A aldehydes

B ketones

C alcohols

D carboxylic acid

Review Detailed Answer

Correct Answer: alcohols

Iodoform test can be used to distinguish between_________________?

A ethanol and methanol

B acetaldehyde and methanal

C acetone and diethyl ketone

D all of the above

Review Detailed Answer

Correct Answer: all of the above

Which one of the following compound does not have – OH group___________________?

A ethylene glycol

B glycerol

C picric acid

D ethyl acetate

Review Detailed Answer

Correct Answer: ethyl acetate

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Chemistry 1488 MCQs [All-Courses]

All Topics 1488

All Topics 1488

Atomic orbits having same energy are called________________?

Which of the following noble gases is not present in atmosphere?

Formalin is ___________ solution of formaldehyde in water?

The easy way of balancing the chemical equation is_________?

The carbon atom of carbonyl group is__________________?

Which one of the following is also known as lactic acid ?

Which of the following will have the highest boiling point ?

Ethers show functional group isomerism with __________________?

Iodoform test can be used to distinguish between_________________?

Which one of the following compound does not have – OH group___________________?