所屬科目:研究所、轉學考(插大)◆無機化學
(a) 4f electrons in Ce (Z=58)
(b) 3d electrons in Ni (Z=28).
(a) volume (m3) of the unit cell
(b)length parameter of the unit cell?
(c) the inter-ionic distance (r + + r - ) ?
(3) In the case of Cu (II) (d 9) , and Cr (II) (d 4 low spin),please employ the Jane-Teller effect to predict thepossible distortion that could be found in these twocompounds? (5%)
(a) Fe 2+
(b) Cu. (5%)
(a) CH3-CH3 + H2O → CH3OH + CH4 (△H = 12kcal/mol)
(b) CH3COCH3 + H2O → CH3COOH + CH4 (△H = -13kcal/mol )
(a) H2O, NH3 and PH3
(b) OH- , NH3, and NO2-
(c) calculate the η value for the hardest one among the 5compounds ?
(7) The point group of trans-1,2-dichloroethylene isC2h ,and has the reducible representation: