The orbital hybridization on the carbon atom in HCN is
A) sp.
B) sp2.
C) sp3.
D) none of the above.
Question 2
Based on the activity series, which one of the reactions below will occur?
A) Fe (s) + ZnCl2 (aq) FeCl2 (aq) + Zn (s)
B) Mn (s) + NiCl2 (aq) MnCl2 (aq) + Ni (s)
C) Pb (s) + NiI2 (aq) PbI2 (aq) + Ni (s)
D) SnBr2 (aq) + Cu (s) CuBr2 (aq) + Sn (s)
E) None of the reactions will occur.
Question 3
The energy of a photon that has a frequency of 1.821 1016 s-1 is ________ J.
A) 5.44 10-18
B) 1.99 10-25
C) 3.49 10-48
D) 1.21 10-17
E) 5.46 10-24