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JEE Main 201911 JanuaryEvening Shift

Exam: JEE Main
Year: 2019
Date: 11 January
Shift: Evening Shift
Subject: Chemistry
Chapter: Classification of Elements and Periodicity in Properties

JEE Main 2019 · 11 January · Evening Shift · Chemistry · Classification of Elements and Periodicity in Properties

The correct option with respect to the Pauling electronegativity...

The correct option with respect to the Pauling electronegativity values of the elements is:

Options

A $\mathrm{Te}>\mathrm{Se}$
B $\mathrm{Ga} < \mathrm{Ge}$
C $\mathrm{Si} < \mathrm{Al}$
D $\mathrm{P}>\mathrm{S}$

Correct answer

B. $\mathrm{Ga} < \mathrm{Ge}$

Step-by-step solution

Correct order of electronegativity values of the elements is

\mathrm{Si}>\mathrm{Al} ; \mathrm{S}>\mathrm{P} ; \mathrm{Se}>\mathrm{Te} ; \mathrm{Ge}>\mathrm{Ga}

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