Chemistry
Senior High
⑹空欄の答え左から6と２なんですが
どちらが3でも正解とはなりませんか？
せ
181 [酸化還元のイオン反応式] 次のイオン反応式を完成さ
(1) Cl +2e-→2 (
)
(2) 2I→I2+(e-
X Fe2+ → ( ) +-
(4) H2S→S+(H+ +2e-
(5) HNO3+ (3)H+ + (S) → NO+ (2) H2O
)H+ + (
Cr₂O7²- +(
e- → (
Cra+ + ( 7 ) H2O
還元され
力が強い
る。
11814
① 酸化
eで
②両
ラン
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