水溶液の電気分解(電極反応)

水溶液の電気分解(電極反応)

10th Grade

16 Qs

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水溶液の電気分解(電極反応)

水溶液の電気分解(電極反応)

Assessment

Quiz

Science

10th Grade

Medium

Created by

Nakamura Ikumi

Used 2+ times

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16 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

ヨウ化カリウムKI水溶液を白金電極で電気分解したとき、陰極で起こる変化はどれか。

K+ + e- → K

2I- → I2 + 2e-

2H2O → O2 + 4H+ +4e-


2H2O + 2e- → H2 + 2OH-

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

ヨウ化カリウムKI水溶液を白金電極で電気分解したとき、陽極で起こる変化はどれか。

K+ + e- → K

2I- → I2 + 2e-

2H2O → O2 + 4H+ +4e-


2H2O + 2e- → H2 + 2OH-

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

塩化ナトリウムNaCl水溶液を炭素電極で電気分解したとき、陰極で起こる変化はどれか。

Na+ + e- → Na

2Cl- → Cl2 + 2e-

2H2O → O2 + 4H+ +4e-


2H2O + 2e- → H2 + 2OH-

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

塩化ナトリウムNaCl水溶液を炭素電極で電気分解したとき、陽極で起こる変化はどれか。

Na+ + e- → Na

2Cl- → Cl2 + 2e-

2H2O → O2 + 4H+ +4e-


2H2O + 2e- → H2 + 2OH-

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

硫酸銅(Ⅱ)CuSO4水溶液を白金電極で電気分解したとき、陰極で起こる変化はどれか。

Cu2+ + 2e- → Cu

SO42- + 4H+ + 2e-→ SO2 +2H2O

2H2O → O2 + 4H+ +4e-


2H2O + 2e- → H2 + 2OH-

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

硫酸銅(Ⅱ)CuSO4水溶液を白金電極で電気分解したとき、陽極で起こる変化はどれか。

Cu2+ + 2e- → Cu

SO42- + 4H+ + 2e-→ SO2 +2H2O

2H2O → O2 + 4H+ +4e-


2H2O + 2e- → H2 + 2OH-

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

硝酸銀AgNO3水溶液を白金電極で電気分解したとき、陰極で起こる変化はどれか。

Ag+ + e- → Ag

NO3- + 2H+ + e-→ NO2 +H2O

2H2O → O2 + 4H+ +4e-


2H2O + 2e- → H2 + 2OH-

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