美日科学家因在研究“钯催化交叉偶联反应”所作出的杰出贡献，获得了2010年诺贝尔化学奖。钯的化合物PdCl2通过化学反应可用来检测有毒气体CO，该反应的反应物与生成物有：CO、Pd、H2O、HCl、PdCl2和一种未知物质X。下列说法不正确的是
| A．反应中转移的电子为1 mo1时，生成 2mo1物质X |
| B．未知物质X为CO2 |
| C．反应中CO作还原剂 |
| D．题述反应条件下还原性：CO> Pd |
相关试题
I can’t leave. She told me that I ______ stay here until she comes back.
| A．can | B．must | C．will | D．may |
—— Do you mind my opening the window? It’s a bit hot in here.
—— ______ , as a matter of fact
| A．Go ahead | B．Yes, my pleasure |
C．Yes, I do | D．Come on |
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 |
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