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Which alkali metal reacts directly with carbon to form ionic carbide.

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Important Questions on Alkali and Alkaline Earth Metals

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Chemistry>Inorganic Chemistry>Alkali and Alkaline Earth Metals>Alkali Metals
The oxide of potassium that does not exist is
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Chemistry>Inorganic Chemistry>Alkali and Alkaline Earth Metals>Alkali Metals
Choose the correct order of density of the alkali metals
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The hottest region of Bunsen flame shown in the figure below is:


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Chemistry>Inorganic Chemistry>Alkali and Alkaline Earth Metals>Alkali Metals
The correct order of conductivity of ions in water is:
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The correct order of mobility of alkali metal ions in aqueous solution is-
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Chemistry>Inorganic Chemistry>Alkali and Alkaline Earth Metals>Alkali Metals
On combustion of Li, Na and K in excess of air, the major oxides formed, respectively, are:
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Sodium metal on dissolution in liquid ammonia gives a deep blue solution due to the formation of:
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The alkali metals form salt-like hydrides by the direct synthesis at elevated temperature. The thermal stability of these hydrides decreases in which of the following orders?
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Chemistry>Inorganic Chemistry>Alkali and Alkaline Earth Metals>Alkali Metals
A metal satisfies all these properties simultaneously

I)  It is tarnished in air reacts with H2O to from hydroxide and evolves H2(g)

II)  React with hydrogen at high temp to form metal hydrides

III)  Strong reducing agent

IV)  Dissolve in NH3 ( liquid) to form a conducting blue solution

The metal may be
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Chemistry>Inorganic Chemistry>Alkali and Alkaline Earth Metals>Alkali Metals
Solutions of alkali metals in liquid ammonia at –33o C conduct electricity without chemical reaction at the electrodes. Hence, conductivity should :
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Chemistry>Inorganic Chemistry>Alkali and Alkaline Earth Metals>Alkali Metals
Assertion A : Alkali metals are soft and have low melting and boiling points.

Reason (R) : This is because interatomic bonds are weak.
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Chemistry>Inorganic Chemistry>Alkali and Alkaline Earth Metals>Alkali Metals
The ionic mobility of alkali metal ions in aqueous solution is maximum for
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Select the correct statements from the following.
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Chemistry>Inorganic Chemistry>Alkali and Alkaline Earth Metals>Alkali Metals
The ionic conductance is least for
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Chemistry>Inorganic Chemistry>Alkali and Alkaline Earth Metals>Alkali Metals
Li, Na, K, Rb, Cs and Fr are called _____ .
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Chemistry>Inorganic Chemistry>Alkali and Alkaline Earth Metals>Alkali Metals
The name of the alkali metal which gives golden yellow colour in the flame test is _____.
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Chemistry>Inorganic Chemistry>Alkali and Alkaline Earth Metals>Alkali Metals
Sublimation enthalpy _____ (increases/decreases) down the group is alkali metals.
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Chemistry>Inorganic Chemistry>Alkali and Alkaline Earth Metals>Alkali Metals
Metallic elements are described by their standard electrode potential, fusion enthalpy, atomic size, etc. The alkali metals are characterised by which of the following properties?
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Chemistry>Inorganic Chemistry>Alkali and Alkaline Earth Metals>Alkali Metals
 The pair(s) of reagents that yield paramagnetic species is/are
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Chemistry>Inorganic Chemistry>Alkali and Alkaline Earth Metals>Alkali Metals
Regarding metals of s-block select the correct statements: