Q.

Which is true about the electronegativity order of the following elements?

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a

P > Si

b

C > N

c

Br > Cl

d

Sr > Ca

answer is A.

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Detailed Solution

P and Si belong to group 4 and group 5 respectively and both of them are in the 3rd Period.EN increases along the Period∴EN of P(2.1)>Si(1.8)
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