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11th CBSE
IMPORTANT
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The sequence of ionic mobility in aqueous solution is
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Important Questions on s-Block Elements (Alkali and Alkaline Earth Metals)
EASY
11th CBSE
IMPORTANT
Ionic mobility of which of the following alkali metal ions is lowest when aqueous solution of their salts are put under an electric field?
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11th CBSE
IMPORTANT
The ease of absorption of hydrated alkali metal ions on an ion exchange resins follows the order :
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11th CBSE
IMPORTANT
The increasing order of the density of alkali metals is
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11th CBSE
IMPORTANT
For alkali metal, which of the following trends is incorrect?
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11th CBSE
IMPORTANT
The salt of an alkali metal gives violet colour in the flame test. Its aqueous solution gives a white precipitate with barium chloride in hydrochloric acid medium. The salt is
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11th CBSE
IMPORTANT
The salt of an alkali metal gives yellow colour in the flame test. Also, its aqueous solution gives an insoluble white precipitate with barium chloride in acid medium. The salt is
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11th CBSE
IMPORTANT
The reaction between sodium and water can be made less vigorous by
HARD
11th CBSE
IMPORTANT
Alkali metals have negative reduction potential and hence they behave as which of the following agents?
