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प्रश्न
Element X is a metal with a valency 2, Y is 3 non- metal with a valency 3.
1) Write an equation to show how Y from an ion.
2) If Y is a diatomic gas, write an equation for the direct combination of X and Y to form a compound.
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उत्तर
1) Y will form an anion by gaining 3 electrons.
The equation is given as Y + 3e- → Y3-
2) The equation for the direct combination of X and Y to form a compound is 3X + Y2 → X3Y2
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संबंधित प्रश्न
Draw an electron dot diagram to show the formation of the following compound:
Methane
[H = 1, C = 6]
Define the term ‘electron affinity’.
Give reason:
Electron affinity of halogens is comparatively high ?
Give reason:
Electronegativity of chorine is higher than Sulphur?
Arrange the following according to the instruction given in the bracket:
F, B, N, O (In the increasing order of electron affinity).
Why is the electron affinity of fluorine less than chlorine?
The following questions refer to the Periodic Table.
Which of the elements has the greatest electron affinity among the halogens?
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 electron affinity of elements in groups 1 to 7:
In a period, increase in electron affinity increases ______.
