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Introduction to p Block Elements

Which pair of...

Question

Which pair of element has almost identical electronegativity values?

A

I n, T l

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B

B, A l

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C

B, G a

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D

A l, T l

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Solution

The correct option is A $I n, T l$
Both have close IE and electron affinity values(both are metals) and hence similar electronegativity values.
$E l e c t r o n e g a t i v i t y = \frac{I E + E A}{2}$

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Similar questions

Q. Which of the following statements are correct regarding the general characteristics of IIIA group elements?
i) The decreasing order of E.N. of IIIA group elements is

B > T l > I n > G a > A l

.
ii) The S.R.P. values decreases in the order

T l > I n > G a > B > A l

.
iii) Ga has high melting point because of its polymeric structure.

Q. Inert pair effect is shown by how many elements?

G a, A l, T l, P b, S n, G e

Q. Boiling point of B, Al, Ga and Tl decreases in the order:

Q. The reducing character of Al, Ga, In, Tl increases in which of the following order?

Q. The electro-positive character decreases from B to Al and then increases from Al to Tl because of:

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