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Chemistry 1488 MCQs [All-Courses]

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Polymers described as large molecules built up from small repeating units called________________?

A Biopolymers

B Dimers

C Monomers

D metamers

Review Detailed Answer

Correct Answer: Monomers

Which of the following gases shows more ideal behaviour at 0°C___________?

A H2

B CH4

C He

D NH3

Review Detailed Answer

Correct Answer: He

Which one of the following statement is not correct about benzene ?

A On hydrogenation 208 KJ/mole is liberated

B C-H bond length in benzene is 1.09 A?

C Molecular mass of benzene is 78.108

D Resonance energy of benzene is 150.5 K Cal/mole

Review Detailed Answer

Correct Answer: Resonance energy of benzene is 150.5 K Cal/mole

Any process of chemical decay of metals due to the action of surrounding medium is called__________________?

A activation

B enameling

C corrosion

D coating

Review Detailed Answer

Correct Answer: corrosion

The energy of one mole of photons of radiation, whose frequency is 4×10 14 Hz, is ___________?

A 159.6kJ

B 135.5 KJ

C 110.5 KJ

D 80.4 KJ

Review Detailed Answer

Correct Answer: 159.6kJ

Which compound will readily undergo sulphonation ?

A Benzene

B Nitro benzene

C Toluene

D Chlorobenzene

Review Detailed Answer

Correct Answer: Toluene

In the production of wrought iron Mg Si and P are removed in the form of___________________?

A oxides

B silicates

C slag

D carbonates

Review Detailed Answer

Correct Answer: slag

Azimuthal quantum number defines___________?

A e/m ratio of an electron

B Spin of an electron

C Angular momentum of an electron

D Magnetic momentum of an electron

Review Detailed Answer

Correct Answer: Angular momentum of an electron

During sulphonation of benzene H2SO4 generates the electrophile _________________?

A HSO4-

B SO2

C SO3

D H+

Review Detailed Answer

Correct Answer: SO3

When the central atom of coordination compound is sp3d2 hybridization the expected geometry will be___________________?

A tetrahedral

B square planar

C trigonal bipyramidal

D octahedral

Review Detailed Answer

Correct Answer: octahedral

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Chemistry 1488 MCQs [All-Courses]

All Topics 1488

All Topics 1488

Polymers described as large molecules built up from small repeating units called________________?

Which of the following gases shows more ideal behaviour at 0°C___________?

Which one of the following statement is not correct about benzene ?

Any process of chemical decay of metals due to the action of surrounding medium is called__________________?

The energy of one mole of photons of radiation, whose frequency is 4×10 14 Hz, is ___________?

Which compound will readily undergo sulphonation ?

In the production of wrought iron Mg Si and P are removed in the form of___________________?

Azimuthal quantum number defines___________?

During sulphonation of benzene H2SO4 generates the electrophile _________________?

When the central atom of coordination compound is sp3d2 hybridization the expected geometry will be___________________?