第十三章单元测试
- Which of the following statement about the principles of Co determination in products is true?（ ）
- Which of the following instrument can be used to determine the crystal field splitting energy(晶体场分裂能) of the cobalt ammines? （ ）
- Which of the following statements about Swiss chemist Werner are correct? （ ）
- The functions of H2O2 are （ ）
- Co(III) is more stable in simple salts than Co(II).（ ）
A:products decompose in cold and strong base system. B:products decompose in hot and strong acid system. C:products decompose in hot and strong base system. D:products decompose in cold and strong acid system.
答案:products decompose in hot and strong base system.
A:potentiometric titrator(电位滴定仪) B:conductivity meter(电导率仪) C:pH meter D:spectrophotometer
A:He proposed the theory of coordination compounds. B:He won the first Nobel Prize for Inorganic Chemistry. C:He proposed octahedral and square planar arrangement of ligands in cobalt ammines D:He is known as the forerunner to modern inorganic chemistry.
A:to make Co2+ to Co3+ B:to make Co3+ to Co2+ C:a reductant D:an oxidant
A:对 B:错
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