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प्रश्न
First ionisation enthalpy of two elements X and Y are 500 kJ mol−1 and 375 kJ mol−1 respectively. Comment about their relative position in a group as well as in a period.
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उत्तर
Ionisation Enthalpy or potential is highest on the right side of the periodic table and lowest on the left side. Elements X and Y seem to be metals, which are on the left side of the table. Group I metals lose one electron each. Ionisation Enthalpy decreases in groups from top to bottom. In the IA group, X represents Sodium (Na) and Y represents Caesium (Cs). Also, X is in the third period and Y is in the sixth.
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संबंधित प्रश्न
Arrange the following as per the instruction given in the brackets:
Na, Li, K (Increasing Ionisation Energy)
Define the term ‘ionisation potential`.
Arrange the following in increasing order of property indicated
Li, Be, B (ionization energy)
Choose the correct answer from the choice given:
Ionisation potential increases over a period from left to right because the
Fill in the blank from the choice given in bracket.
The energy required to remove on electron from a natural isolated gaseous atom and convert it into a positively charged gaseous ion is called ____________
Arrange the following as per the instruction given in the bracket
Na,Li,K (Increasing ionization energy)
The changes in the properties of elements on moving from left to right across a period of the Periodic Table. For the property, choose the correct answer.
The ionization potential:
Arrange the following in order of increasing ionisation energy:
P, Na, Cl
Explain your choice.
Give reason:
Ionisation potential of the element increases across a period from left to right.
The element with highest ionisation potential is ______.
