CoCl3·4NH3用H2SO4溶液处理再结晶，SO42—可以取代化合物中的Cl—，但NH3的含量不变，用过量的AgNO3处理该化合物，有含量1/3氯以AgCl析出，这种化合物应该是
| A．[Co（NH3）4] Cl3 | B．[Co（NH3）4 Cl3] |
| C．[Co（NH3）4 Cl] Cl2 | D．[Co（NH3）4 Cl2] Cl |
相关试题
It’s high time you had your hair cut ; it’s getting _______ . 
| A．too much long | B．much too long |
C．long too much | D．too long much |
My friend showed me round the town, ______ was very kind of him. 
| A．which | B．that | C．where | D．it |
They use computers to keep the traffic _______ smoothly.
| A．being run | B．run | C．to run | D．running |
If you leave the club, you will not be_____back in .
| A．received | B．admitted | C．turned | D．moved |
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