Question

6.  Draw the electron dot formula for the chlorate ion, ClO3-, and state the type of bonds in a chlorate ion.

A) 1 single bond & 2 double bonds B) 3 single bonds  C) 2 single bonds & 1 double bond                     D) 2 single bonds and 1 triple bond                   E) none of the above

7. What is the electron pair geometry for a phosphine molecule, PH3?

A) bent B) linear C) tetrahedral           D) trigonal pyramidal                E) none of the above

8. Predict which of the following has an ionic bond.

A) AlCl3                    B) Cu2S                                       C) FeF3                     D) all of the above                 E) none of the above

9.   Which intermolecular forces are found in CO2?

A) dispersion forces and dipole-dipole forces                  B) hydrogen bonding                              C) dipole-dipole forces D) dispersion forces                     E) none of the above

10. What is the total number of valence electrons in a phosphate ion, PO43-?

B) 2
C) 26
D) 32
E) none of the above

Answer 1

- Structure: clo it has a double bonds One single bond 8PH₂ hubridisation =St3 =4 =sps Loan Dair=o) : Bond pair=03 Trigonal Shape: Sequo pyramidal Alda 7 has Chas Eronic (all ® ) FeF3) bond 6 Co London dispersion forces. o pa?- => 5+416) +3 = 32 (D)