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प्रश्न
Why is the Ionisation enthalpy of hydrogen higher than that of sodium?
उत्तर
In sodium the last shell electron is in 3s1 after losing that electron, it can acquire the configuration of Ne. Whereas in hydrogen, the electron is in s-orbital.
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संबंधित प्रश्न
What is meant by ‘demineralised’?
Is demineralised or distilled water useful for drinking purposes? If not, how can it be made useful?
The oxide that gives \[\ce{H2O2}\] on treatment with dilute \[\ce{H2SO4}\] is ______.
When sodium peroxide is treated with dilute sulphuric acid, we get ______.
Which of the following ions will cause hardness in water sample?
Which of the following compounds is used for water softening?
Complete the following equations:
\[\ce{CO (g) + 2H2 (g) ->[Cobalt][Catalyst]}\]
Assertion (A): Permanent hardness of water is removed by treatment with washing soda.
Reason (R): Washing soda reacts with soluble magnesium and calcium sulphate to form insoluble carbonates.
Which one of the following methods is most suitable for preparing deionized water?
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