11th Chemistry Weekly Test - 2 ( Alkali and Alkaline Earth Metals )

MABS Institution

11th Chemistry Weekly Test - 2 ( Alkali and Alkaline Earth Metals )-Aug 2020

Time : 1.30 Hours

Part - A

Generic 2 - Answer All Question

Hydrogen enthalpies of alkaline earth metal ions are larger than these of alkali metal ions. Explain.

Mention the uses of sodium carbonate.

Atomic radii of alkaline earth metals are smaller than the corresponding members of alkali metals. Why?

Mention the uses of quick lime

Explain the term retrograde solubility.

Write a note about physical appearance of gypsum.

What is meant by setting of cement?

Explain why alkaline earth metals exhibit an oxidation state of +2.

How does (i) the solubility and (ii) the thermal stability ofthe carbonates of group 2 elements. vary down the group.

What happens when carbon dioxide is passed through lime water? Give equation.

Part - B

Generic 5 - Answer All Question

Describe the method of electrolysis of brine solution?

Describe the biological importance of sodium and potassium.

Compare the properties of beryllium with other elements of the same group.
Bring out the simularities between lithium and magnesium.

State as to why
(a) Alkali metals show only +1 oxidation state.
(b) Na and K impart colour to the flame but Mg does not.
(c) Lithium on being heated in air mainly forms the monoxide and not the peroxide.
(d) Li is the best reducing agent in aqueous solution

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11th Chemistry Weekly Test - 2 ( Alkali and Alkaline Earth Metals )

MABS Institution

11th Chemistry Weekly Test - 2 ( Alkali and Alkaline Earth Metals )-Aug 2020

Part - A

Generic 2 - Answer All Question

Hydrogen enthalpies of alkaline earth metal ions are larger than these of alkali metal ions. Explain.

Mention the uses of sodium carbonate.

Atomic radii of alkaline earth metals are smaller than the corresponding members of alkali metals. Why?

Mention the uses of quick lime

Explain the term retrograde solubility.

Write a note about physical appearance of gypsum.

What is meant by setting of cement?

Explain why alkaline earth metals exhibit an oxidation state of +2.

How does (i) the solubility and (ii) the thermal stability ofthe carbonates of group 2 elements. vary down the group.

What happens when carbon dioxide is passed through lime water? Give equation.

Part - B

Generic 5 - Answer All Question

Describe the method of electrolysis of brine solution?

Describe the biological importance of sodium and potassium.

Compare the properties of beryllium with other elements of the same group.

Bring out the simularities between lithium and magnesium.

State as to why (a) Alkali metals show only +1 oxidation state. (b) Na and K impart colour to the flame but Mg does not. (c) Lithium on being heated in air mainly forms the monoxide and not the peroxide. (d) Li is the best reducing agent in aqueous solution

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Tamilnadu Stateboardszs - Class

State as to why
(a) Alkali metals show only +1 oxidation state.
(b) Na and K impart colour to the flame but Mg does not.
(c) Lithium on being heated in air mainly forms the monoxide and not the peroxide.
(d) Li is the best reducing agent in aqueous solution