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Chemistry 1488 MCQs [All-Courses]

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When SO2 solution is passed over which of the following it turns green?

A K2Cr2O7

B H2SO4

C SO3

D P2O5

Review Detailed Answer

Correct Answer: K2Cr2O7

Consider the following reaction- 2KCIO3 + H2C2O4 + H2SO4 ? K2SO4 + 2H2O + 2CO2 + Oxide Which oxide of chlorine is produced in the above reaction ?

A Cl2O

B ClO2

C Cl2O6

D Cl2O7

Review Detailed Answer

Correct Answer: ClO2

Rate of reaction when concentration of reactants are taken as unity is called_________________?

A Arrhenius constant

B Molecularity

C Specific rate constant

D Ideal rate constant

Review Detailed Answer

Correct Answer: Specific rate constant

The composition of ‘ Golden spangles is_________?

A PbCrO4

B PbI2

C As2Cr2O7

D BaCrO4

Review Detailed Answer

Correct Answer: PbCrO4

Bromine can be liberated from KBr solution by the action of _______________?

A Iodine solution

B Chlorine

C NaCl

D Ki

Review Detailed Answer

Correct Answer: Chlorine

When a graph is plotted between 1/T on X-axis and log k on y-axis a straight line is obtained with a negative slope which has two end in__________________?

A I and II quadrant

B II and III quadrant

C III and IV quadrant

D II and IV quadrant

Review Detailed Answer

Correct Answer: II and IV quadrant

What is chemical symbol for Tungsten?

A Z

B T

C Tn

D W

Review Detailed Answer

Correct Answer: W

The halogen having highest electron affinity is_____________________?

A Fluorine

B Chlorine

C Bromine

D Iodine

Review Detailed Answer

Correct Answer: Chlorine

In rate expression the concentration of reactants is negative. It shows_______________?

A Concentration of reactant does not change

B Concentration of product increases

C Concentration of reactant decreases

D Concentration of reactant increases

Review Detailed Answer

Correct Answer: Concentration of reactant decreases

Noble gases are so called zero group because they have:_________?

A Zero Valency

B Zero Electronegativity

C Zero Electron Affinity

D Both A and B

Review Detailed Answer

Correct Answer: Both A and B

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Chemistry 1488 MCQs [All-Courses]

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All Topics 1488

When SO2 solution is passed over which of the following it turns green?

Consider the following reaction- 2KCIO3 + H2C2O4 + H2SO4 ? K2SO4 + 2H2O + 2CO2 + Oxide Which oxide of chlorine is produced in the above reaction ?

Rate of reaction when concentration of reactants are taken as unity is called_________________?

The composition of ‘ Golden spangles is_________?

Bromine can be liberated from KBr solution by the action of _______________?

When a graph is plotted between 1/T on X-axis and log k on y-axis a straight line is obtained with a negative slope which has two end in__________________?

What is chemical symbol for Tungsten?

The halogen having highest electron affinity is_____________________?

In rate expression the concentration of reactants is negative. It shows_______________?

Noble gases are so called zero group because they have:_________?