InterviewSolution
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InterviewSolution
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Down a group ejectronegativity should increase with increase in nuclear charge but it is seen that the electronegativity decreases Give reasons. |
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Answer» Down a group, nuclear charge as well as number of shells increase. Due to increase in nuclear charge electronegativity should increase. On the other hand, due to increase in number of shells, electronegativity should decrease. However, the effect of increase in number of shells dominates over increase in nuclear charge. As such, on moving down a group, electronegativity decreases. |
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