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Chemistry 1488 MCQs [All-Courses]

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Solubility of CaF2 is 2.0×10-4 gdm-3 then Ksp of CaF2 is_______________?

A 4.0 x 10-8

B 3.2 x 10-11

C 2.0 x 10-8

D 4.0 x 10-12

Review Detailed Answer

Correct Answer: 3.2 x 10-11

Which of the following points are important in connection with equilibrium constant ?

A Kc is constant at given temperature

B Kc is unaffected by change in concentration of reactants or products

C Kc indicates the extent of reaction but not about the rate of reaction.

D All of the above

Review Detailed Answer

Correct Answer: All of the above

Which of the following molecule is polar__________________?

A CCI4

B CO2

C BF3

D none of the above

Review Detailed Answer

Correct Answer: none of the above

Which of the following elements has greater 1st ionization energy__________________?

A B

B C

C N

D O

Review Detailed Answer

Correct Answer: C

Which catalyst is used in contact process ?

A Fe2O3

B V2O5

C SO3

D Ag2O

Review Detailed Answer

Correct Answer: V2O5

What is maximum number of electrons in an orbital with m (magnetic quantum number) = 3 ?

A 6

B 4

C 3

D 2

Review Detailed Answer

Correct Answer: 2

Fruit juices and fizzy drinks such as lemonade are often sold in aluminium cans. What is the most important reason aluminium is a suitable metal ?

A aluminium can be recycled

B aluminium has very low density

C aluminium is the most abundant metal in the earth crust

D aluminium is resistant to corrosion by organic acids.

Review Detailed Answer

Correct Answer: aluminium is resistant to corrosion by organic acids.

In solids the temperature is the measure of__________________?

A Average kinetic energy of molecules

B Vibrational kinetic energy

C Translational kinetic energy

D None of the above

Review Detailed Answer

Correct Answer: Vibrational kinetic energy

Purines and pyrimidines are_________________?

A Enzymes

B Nitrogenous bases

C Carbohydrates

D Lipids

Review Detailed Answer

Correct Answer: Nitrogenous bases

Which of the following element doesnot show allotropy_________________?

A Carbon

B Arsenic

C Nitrogen

D Sulphur

Review Detailed Answer

Correct Answer: Nitrogen

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Chemistry 1488 MCQs [All-Courses]

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All Topics 1488

Solubility of CaF2 is 2.0×10-4 gdm-3 then Ksp of CaF2 is_______________?

Which of the following points are important in connection with equilibrium constant ?

Which of the following molecule is polar__________________?

Which of the following elements has greater 1st ionization energy__________________?

Which catalyst is used in contact process ?

What is maximum number of electrons in an orbital with m (magnetic quantum number) = 3 ?

Fruit juices and fizzy drinks such as lemonade are often sold in aluminium cans. What is the most important reason aluminium is a suitable metal ?

In solids the temperature is the measure of__________________?

Purines and pyrimidines are_________________?

Which of the following element doesnot show allotropy_________________?