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A&R quiz – Chemistry (Day-4)

Update on: 15 Mar 2019, 10:53 AM

ASSERTION : Greater the lattice enthalpy, more stable is the ionic compound. REASON : The lattice enthalpy is greater for ions of higher charge and smaller radii.

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

ASSERTION : At critical point, the densities of substance in gaseous and liquid states are same. REASON : Critical temperature is the temperature at which the real gas exhibits ideal behaviour for considerable range of pressure.

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

ASSERTION : A reaction which is spontaneous and accompanied by decrease of randomness must be exothermic. REASON : All exothermic reactions are accompanied by decrease in randomness.

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

ASSERTION : Fluorine is a stronger oxidising agent than iodine. REASON : Fluorine has greater electronegativity than iodine.

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

ASSERTION : Permanent hardness of water is removed by treatment with washing soda. REASON : Washing soda reacts with soluble calcium and magnesium chlorides and sulphates in hard water to form insoluble carbonates.

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

ASSERTION : Among the carbon allotropes, diamond is an insulator, whereas, graphite is a good conductor of electricity. REASON : Hybridization of carbon in diamond and graphite are sp3 and sp2, respectively.

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

ASSERTION : Benzene reacts with CH3Cl using AlCl3 as catalyst to form methyl benzene. This reaction is Perkin reaction. REASON : AlCl3 acts as a nucleophile in the reaction.

Please select 2 correct answers

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

ASSERTION : The number of tetrahedral voids is double the number of octahedral voids. REASON : The size of the tetrahedral voids is half of that of the octahedral void.

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

ASSERTION : The molality of the solution does not change with change in temperature. REASON : The molality is expressed in units of moles per 1000 g of solvent.

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

ASSERTION : Cu| CuSO4 (C1) || CuSO4 (C2) | Cu, is an example of concentration cell. REASON : The cell potential depends upon the concentration of electrolyte.

a) Both ASSERTION and REASON Are True and REASON Is the Correct Explanation of ASSERTION

b) Both ASSERTION and REASON Are True but REASON Is Not the Correct Explanation of ASSERTION

c) ASSERTION Is True but REASON Is False

d) Both ASSERTION and REASON are False.

Correct! Wrong!

A&R quiz - Chemistry (Day-4)

A&R quiz – Chemistry (Day-4)

ASSERTION : Greater the lattice enthalpy, more stable is the ionic compound. REASON : The lattice enthalpy is greater for ions of higher charge and smaller radii.

ASSERTION : At critical point, the densities of substance in gaseous and liquid states are same. REASON : Critical temperature is the temperature at which the real gas exhibits ideal behaviour for considerable range of pressure.

ASSERTION : A reaction which is spontaneous and accompanied by decrease of randomness must be exothermic. REASON : All exothermic reactions are accompanied by decrease in randomness.

ASSERTION : Fluorine is a stronger oxidising agent than iodine. REASON : Fluorine has greater electronegativity than iodine.

ASSERTION : Permanent hardness of water is removed by treatment with washing soda. REASON : Washing soda reacts with soluble calcium and magnesium chlorides and sulphates in hard water to form insoluble carbonates.

ASSERTION : Among the carbon allotropes, diamond is an insulator, whereas, graphite is a good conductor of electricity. REASON : Hybridization of carbon in diamond and graphite are sp3 and sp2, respectively.

ASSERTION : Benzene reacts with CH3Cl using AlCl3 as catalyst to form methyl benzene. This reaction is Perkin reaction. REASON : AlCl3 acts as a nucleophile in the reaction.

ASSERTION : The number of tetrahedral voids is double the number of octahedral voids. REASON : The size of the tetrahedral voids is half of that of the octahedral void.

ASSERTION : The molality of the solution does not change with change in temperature. REASON : The molality is expressed in units of moles per 1000 g of solvent.

ASSERTION : Cu| CuSO4 (C1) || CuSO4 (C2) | Cu, is an example of concentration cell. REASON : The cell potential depends upon the concentration of electrolyte.

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