Periodic Classification and Periodic Properties - Result Question 23

####20. The electronegativity of the following elements increases in the order

(1987, 1M)

(a) $C, N, Si, P$

(b) $N, Si, C, P$

(c) $Si, P, C, N$

(d) P, Si, N, C

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Answer:

Correct Answer: 20. (a)

Solution:

  1. Electronegativity increases from left to right in a period and decreases from top to bottom in a group. Variation is more rapid in group than in a period, hence the desired order is Electronegativity : $Si<P<C<N$


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