I. E!396%ttIL~
1.84;z.H2S04
~O{jjJi'lC~2Nf~i$Wj'i'¥~lL? (S=32, 0=16, H=l) (15%) 2. What shape do you expect for each of the following molecules or ions?
(.lii:B1'1U5trH~Jl*1fZ~ajj;ltt5f~) (~/J\Jm
5% ' :tt 20%)
(I) Xe02F2(2) HjBO j
(3) H2CO
j(4)
P"i!lJi1
3. Explain the following terms:
(~1Ju~ajj1'5U;fjg~]) (E.f+~5% ' :tt 25%)
Ej3 ,osmotic pressure !j,\(; osmosis
z:. ' green house effect
P"i ' London dispersion force
T ' amino acid
~
, isomer
4.
E!35tr!pjlJ~(MO)l]J.~iIi*UlfiNO 5tr8"Jml9:(bond
order)W/llJjliY1t1!j,\(;~unt10(10%) 5. Balance the equations for the following reactions: (a/J\J11i 10% ' :tt 20%)
(ZP~15fRA)
(a) Cr(OH)j(s) + C10'(aq) -7 CrO/-(aq) + Ch(g) + OW(aq) + H20(l) (b) Pb02(s) + Pb(s) + HS04
"(aq)+ H+(aq) -7 PbS0
4(s)+ H20(l)
6. Write the electron configuration for:
(:% i:B IJf: r 8"J'llr ,f.§Jlj)
(I)Cr
(2)