30. As the difference in electronegativity between bonded atoms increases, the polarity of the bond
This chemistry question involves key chemical concepts and calculations. The detailed solution below walks through each step, from identifying the reaction type to computing the final answer.
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Here are the solutions to the questions:
30. As the difference in electronegativity between bonded atoms increases, the polarity of the bond
The greater the difference in electronegativity between two bonded atoms, the more polar the bond. A large difference leads to a significant separation of charge, creating a dipole.
The correct option is (b) increases*.
31. Which of the following physical properties decreases down a group in the periodic table?
a) atomic radius*: Increases down a group due to the addition of new electron shells.
b) ionic radius*: Increases down a group for the same reason as atomic radius.
c) electronegativity*: Decreases down a group because the valence electrons are further from the nucleus and
