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【单选题】
下列反应的离子方程式正确的是（　　） ①向苯酚钠溶液中通入少量的CO 2 ：2C 6 H 5 O - +CO 2 +H 2 O→2C 6 H 5 OH+CO 3 2- ②将金属钠加入水中：2Na+2H 2 O=2Na + +2OH - +H 2 ↑ ③石灰石溶于醋酸：CaCO 3 +2CH 3 COOH=2CH 3 COO - +Ca 2+ +CO 2 ↑+H 2 O ④碳酸钠水CO 3 2- +2H 2 O?H 2 CO 3 +2OH - ⑤向氢氧化钡中滴加硫酸：Ba 2+ +SO 4 2- +H + +OH - =BaSO 4 +H 2 O ⑥次氯酸钙溶液中通入过量二氧化碳：Ca 2+ +2ClO - +CO 2 +H 2 O=CaCO 3 ↓+2HClO ⑦氯化铝的溶液中加入过量氨水：Al 3+ +4NH 3 ?H 2 O=AlO 2 - +4NH 4 + +2H 2 O ⑧氯气与水反应：Cl 2 +H 2 O=2H + +Cl - +ClO - ⑨纯碱溶液中滴加少量盐酸：CO 3 2- +H + =HCO 3 - ．
A.
①②⑤⑨
B.
②③⑨
C.
④⑤⑥⑦
D.
②③⑧⑨
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