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प्रश्न
Name the following.
Radioactive alkali metal.
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उत्तर
Radioactive alkali metal - Francium (Fr)
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संबंधित प्रश्न
Explain the following.
Standard reduction potential of alkali metals have high negative values.
Explain the following.
Sodium dissolves in liquid ammonia to form a solution which shows electrical conductivity.
Explain the following.
Alkaline earth metals have low values of electronegativity; which decreases down the group.
Write a balanced chemical equation for the following.
\[\ce{CO2}\] is passed into a concentrated solution of NaCl, which is saturated with \[\ce{NH3}\].
Write a balanced chemical equation for the following.
A 50% solution of sulphuric acid is subjected to electrolyte oxidation and the product is hydrolysed.
Answer the following question.
Describe the diagonal relationship between Li and Mg with the help of two illustrative properties.
Name the following.
Alkali metal with smallest atom.
When beryllium is ignited in air, the products are ____________.
The first ionization enthalpies of alkali metals decreases down the group because of
Which of the following statements is INCORRECT?
The oxidation states of O atom in Na2O2 and KO2 are ____________, respectively.
Alkaline hydrolysis of which among the following compounds leads to the formation of a racemate?
Which of the following is INCORRECT for alkali metals?
Which among the following chlorides of alkali metal is deliquescent?
Which among the following elements has highest ionisation enthalpy and bears a diagonal relationship with aluminium?
Beryllium shows diagonal relationship with aluminium. Which of the following similarity is incorrect?
The element that does not form acidic oxide is ______.
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Which of the following bicarbonates does not exist as a solid?
Which among the following elements of group-2 exhibits anomalous properties?
Which among the group-15 elements does not exist as tetra atomic molecule?
Which of the following is most soluble in water?
The element of group 2, which forms an amphoteric oxide and a water soluble sulphate is ______.
Which of the following has maximum solubility?
Which of the following is likely to undergo racemisation during alkaline hydrolysis?
