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प्रश्न
Name the following.
Ions having high concentration in cell sap.
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उत्तर
Ions having high concentration in cell sap - Potassium ions (K+)
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संबंधित प्रश्न
Explain the following.
Standard reduction potential of alkali metals have high negative values.
Explain the following.
BeCl2 is covalent while MgCl2 is ionic.
Explain the following.
Lithium floats and water while sodium floats and catches fire when put in water.
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.
Write a balanced chemical equation for the following.
Magnesium is heated in air.
Write a balanced chemical equation for the following.
Beryllium oxide is treated separately with aqueous HCl and aqueous NaOH solutions.
Answer the following question.
Describe the diagonal relationship between Li and Mg with the help of two illustrative properties.
Answer the following question.
A water sample, which did not give lather with soap, was found to contain \[\ce{Ca(HCO3)2}\] and \[\ce{Mg(HCO3)2}\]. Which chemical will make this water give lather with soap? Explain with the help of chemical reactions.
Name the following.
Radioactive alkali metal.
When beryllium is ignited in air, the products are ____________.
Which of the following alkaline earth metals has the least affinity towards oxygen?
The first ionization enthalpies of alkali metals decreases down the group because of
Which of the following is CORRECT for the atomic and ionic radii of alkali metals?
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?
In the following reaction, metal 'M' CANNOT be ____________.
\[\ce{M + O2 ->[\Delta] MO2}\]
Which among the following elements has highest ionisation enthalpy and bears a diagonal relationship with aluminium?
What is the electronic configuration of third element of group-2 in periodic table?
Beryllium shows diagonal relationship with aluminium. Which of the following similarity is incorrect?
KO2 (potassium superoxide) is used in oxygen cylinders in space and submarines because it ______.
Which among the following elements of group-2 exhibits anomalous properties?
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 trend is correct with respect to the reactivity of alkali metal oxides with water?
