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Chemistry Past Questions and Answers

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Chemistry Questions

Question 2556:

Which of the following properties increases down a group in the Periodic Table?

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A Atomic radius
B Electronegativity
C Electon affinity
D Ionization energy

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Question 2557:

In the Periodic Table, the elements that loss electrons most readily belong to

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A Group 1 A
B Group 11 A
C Group 111 A
D Group V11 A

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Question 2558:

Which of the following reactions is not feasible?

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A Cl<sub style='font-size: smaller;'>2</sub> + 2Kl â†’ 2KCI + I<sub style='font-size: smaller;'>2</sub>
B Cl<sub style='font-size: smaller;'>2</sub> + 2NaF → 2NaCI + F<sub style='font-size: smaller;'>2</sub>
C Zn + CuCI<sub style='font-size: smaller;'>2</sub> ZnCl<sub style='font-size: smaller;'>2</sub> + Cu
D Zn + 2AgNO<sub style='font-size: smaller;'>3</sub> â†’ Zn(NO<sub style='font-size: smaller;'>3</sub>)<sub style='font-size: smaller;'>2</sub> + 2Ag

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Question 2559:

Which of the following halogens is the most reactive?

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A F<sub style='font-size: smaller;'>2</sub>
B Br<sub style='font-size: smaller;'>2</sub>
C L<sub style='font-size: smaller;'>2</sub>
D Cl[/sub]

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Question 2560:

The crystal layers in graphite are held together by

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A Electrostatic forces
B Van der Waals' forces
C Hydrogen bonds
D Covalent bonds

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