摘要:碱性强弱:KOH NaOH Mg(OH)2
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1.稳定性强弱:HF________HCl________HBr________HI NH3________HF NH3________PH3
2.碱性强弱:KOH________NaOH________Mg(OH)2
3.酸性强弱:HClO4________HBrO4 HNO3________H3PO4
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下列比较错误的是
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A.原子半径:N>O>F
B.酸性强弱:HNO3>H3PO4>H2SO4
C.碱性强弱:KOH>NaOH>Mg(OH)2
D.氢化物的稳定性:HF>HCl>H2S
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B.酸性强弱:HNO3>H3PO4>H2SO4
C.碱性强弱:KOH>NaOH>Mg(OH)2
D.氢化物的稳定性:HF>HCl>H2S
下列各组顺序的排列不正确的是
- A.酸性强弱: H2SiO3<H3PO4<H2SO4<HClO4
- B.碱性强弱:KOH>NaOH>Mg(OH)2>Al(OH)3
- C.熔点: Li<Na<K
- D.热稳定性:HF>HCl>H2S>PH3
下列各组顺序的排列不正确的是
| A.酸性强弱: H2SiO3<H3PO4<H2SO4<HClO4 |
| B.碱性强弱:KOH>NaOH>Mg(OH)2>Al(OH)3 |
| C.熔点: Li<Na<K |
| D.热稳定性:HF>HCl>H2S>PH3 |
下列各组顺序的排列不正确的是
| A.酸性强弱: H2SiO3<H3PO4<H2SO4<HClO4 |
| B.碱性强弱:KOH>NaOH>Mg(OH)2>Al(OH)3 |
| C.熔点: Li<Na<K |
| D.热稳定性:HF>HCl>H2S>PH3 |