Lithium shows a diagonal relationship with :
1. Sodium
2. Magnesium
3. Calcium
4. Aluminium
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAlkali 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.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe alkali metal that gives hydrated salts is -
1. Li
2. Na
3. K
4. Cs
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAn amphoteric hydroxide among the following is :
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAlkali metals act as a :
1. Good dehydrating agent.
2. Good reducing agent.
3. Good oxidising agent.
4. None of the above.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA molecule among the following that has the highest hydration energy is -
1. MgCl2
2. CaCl2
3. BaCl2
4. SrCl2
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe 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.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyBe 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.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAmong the following the least thermally stable carbonate is :
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe incorrect statement among the following is -
1. Li+ has 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.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology