Lithium shows a diagonal relationship with : 

1. Sodium

2. Magnesium

3. Calcium

4. Aluminium

Subtopic:  Reasoning Questions |
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Alkali and alkaline earth metals cannot be obtained by chemical reduction method because they are the strongest :

1. Oxidizing agents.

2. Reducing agents.

3. Hydrating agents.

4. Drying agents.

Subtopic:  Reasoning Questions |
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The alkali metal that gives hydrated salts is - 

1. Li

2. Na

3. K

4. Cs

Subtopic:  Reasoning Questions |
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 An amphoteric hydroxide among the following is : 

1.  BeOH2

2.  SrOH2

3.  CaOH2

4.  MgOH2

Subtopic:  Reasoning Questions |
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Alkali metals act as a : 

1. Good dehydrating agent.

2. Good reducing agent.

3. Good oxidising agent.

4. None of the above.

Subtopic:  Reasoning Questions |
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A molecule among the following that has the highest hydration energy is -

1. MgCl2

2. CaCl2

3. BaCl2

4. SrCl2

Subtopic:  Reasoning Questions |
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The incorrect statement among the following is- 

1. Sodium metal is used in organic qualitative analysis.

2. Sodium carbonate is soluble in water and it is used in inorganic qualitative analysis.

3. Potassium carbonate can be prepared by the solvay process.

4. Aq. solution of potassium bicarbonate is a weak base.

Subtopic:  Reasoning Questions |
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Be and Mg did not give flame colour because: 

1. Energy released by excited electron falls in visible region.

2. Energy released by excited electron does not fall in visible region

3. s-s transition.

4. Charge transfer.

Subtopic:  Physical Properties | Reasoning Questions |
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Among the following the least thermally stable carbonate is : 

1. K2CO3

2. Na2CO3

3. BaCO3

4. Li2CO3

Subtopic:  Reasoning Questions |
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The incorrect statement among the following is -

1. Lihas minimum degree of hydration among alkali metal cations.

2. The oxidation state of K in KO2 is +1

3. Sodium is used to make Na / Pb alloy.

4. MgSO4 is readily soluble in water.

Subtopic:  Reasoning Questions |
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