1021SCG Quiz Buster 2 T3 2022

Which of the following compounds are insoluble? 

• NaNO3

• AgCl

• Pb(NO3)2

• (NH4)2CO3

What is the oxidation number of sulphur in MgSO₄?

• +7

• +6

• -7

• -6

Which element has the largest atomic radius?

• F

• Sr

• Mg

• Be

Which of the following is a reduction half reaction?

• Both b and c

Which of the following quantum numbers is impossible?

• n = 2

  l = 2

  m = 0

  s = -1/2

• n = 1

  l = 0

  m = 0

  s = 1/2

• n = 3

  l = 2

  m = -2

  s = 1/2

• n = 2

  l = 1

  m = 1

  s = -1/2

Which element has the smallest Z_eff?

• Ca

• Li

• Br

• Ge

When balancing redox half equations, we balance _____ after balancing oxygens.

• Hydrogens

• Non-hydrogen and non-oxygen

• Charges by removing electrons

• None of the above

Which of the following does not represent a redox reaction?

• None of the above, they are all redox reactions

Based on the activity series of metals, which reaction below will NOT occur?

• All of the above reactions will occur

What is the net ionic equation for 2Na_(s) + 2HCl_(aq) -> 2NaCl_(aq) + H_2(g)?