REDOX REACTION 5s6 (22 Apr) by CHAN BE https://padlet.com/cyb8653/gdweihk5c93u CHAN YB en-us 2020-04-06 02:02:55 UTC 2025-11-27 02:57:37 UTC hello@padlet.com https://padlet-uploads.storage.googleapis.com/513608449/c7281a30dedd229912055c587e423177/PANDA.jpg QUESTION cyb8653 https://padlet.com/cyb8653/gdweihk5c93u/wish/521947895 1. Electrolysis 2.0 moldm-3 KCl using carbon electrodes, state

a) half eq of oxidation

b) observation at cathode

c) overall ionic equation

d) reason at anode

e) oxidising agent



]]> 2020-04-22 04:47:44 UTC https://padlet.com/cyb8653/gdweihk5c93u/wish/521947895 Eng Hong Xiang m3894784 https://padlet.com/cyb8653/gdweihk5c93u/wish/522032248 a) 2Cl- --> Cl2 + 2e-
b) Colourless gas bubbles are produced
c) 2Cl- + 2H+ --> Cl2 + H2
d) Cl- ion has higher concentration than OH- ion
e) Oxidizing agent is hydrogen ion ]]> 2020-04-22 06:04:28 UTC https://padlet.com/cyb8653/gdweihk5c93u/wish/522032248 Yap Seng Foong https://padlet.com/cyb8653/gdweihk5c93u/wish/522032260 1.(a) 2Cl- --> Cl2+2e-
(b) colourless gas bubbles is produced
(c) 2Cl- + 2H+ --> Cl2 + H2
(d) H+is lower position than potassium ion in ECS.
(e)hydrogen ion

]]> 2020-04-22 06:04:28 UTC https://padlet.com/cyb8653/gdweihk5c93u/wish/522032260 Tion Jia Le https://padlet.com/cyb8653/gdweihk5c93u/wish/522032340 1.a)2Cl- -–>Cl2 +2e-b)colourless gas bubble is produced
C)2Cl-  + 2H+ —->Cl2 +H2
D)Cl- has higher concentration compare to OH- in the solution
E)H+ ion]]> 2020-04-22 06:04:32 UTC https://padlet.com/cyb8653/gdweihk5c93u/wish/522032340 Ng Yi Qian https://padlet.com/cyb8653/gdweihk5c93u/wish/522032372
1.(a)2Cl- --> Cl2 +2e-
  (b)Colourless gas bubbles are released.
  (c)2Cl- + 2H+ -->H2 + Cl2
  (d)Cl- has higher concentration than OH-.
 (e)H+ ion act as oxidising agent.

]]> 2020-04-22 06:04:33 UTC https://padlet.com/cyb8653/gdweihk5c93u/wish/522032372 Ryan Tan https://padlet.com/cyb8653/gdweihk5c93u/wish/522032413 a. 2Cl- --> Cl2 + 2e-

b. colourless gas bubbles are produced

c. 2Cl- + H+ --> Cl2 + H2

d. Cl- ion hjas more concentration than OH-

e. H+ ion]]> 2020-04-22 06:04:35 UTC https://padlet.com/cyb8653/gdweihk5c93u/wish/522032413 Loo Hoi Kei https://padlet.com/cyb8653/gdweihk5c93u/wish/522032415 a) 2Cl- --> Cl2+2e-
b)Colourless gas bubbles released.
c)2Cl- +2H+--> Cl2+H2
d)Cl- has higher concentration than OH-.
e)H+ ion]]> 2020-04-22 06:04:35 UTC https://padlet.com/cyb8653/gdweihk5c93u/wish/522032415 Yong Yee Ling https://padlet.com/cyb8653/gdweihk5c93u/wish/522032542 a) 2Cl- -> Cl2 + 2e-
b) Colourless gas bubbles are produced.
c) 2Cl- + 2H+ -> Cl2 + H2
d) Cl- ion has more concentration than OH-.
e) H+]]> 2020-04-22 06:04:41 UTC https://padlet.com/cyb8653/gdweihk5c93u/wish/522032542 Yap Qian Ting https://padlet.com/cyb8653/gdweihk5c93u/wish/522032543 1.a) 2Cl- --> Cl2 + 2e-
  b) colourless gas bubbles is produced
  c)2Cl- + 2H+ --> C12 + H2
  d) Cl- has higher concentration than OH-
e) H+ ion]]> 2020-04-22 06:04:41 UTC https://padlet.com/cyb8653/gdweihk5c93u/wish/522032543 Brandon Liew https://padlet.com/cyb8653/gdweihk5c93u/wish/522032591 a. 2Cl- --> Cl2 + 2e-
b. colourless gas bubbles is produced
c. 2Cl- +2H+--> Cl2+H2
d. Cl- has higher concentration than OH-
e. H+ ion]]> 2020-04-22 06:04:43 UTC https://padlet.com/cyb8653/gdweihk5c93u/wish/522032591 Leong Kai Jen https://padlet.com/cyb8653/gdweihk5c93u/wish/522032633 1.
a)2Cl- --> Cl2 +2e-
b)colourless gas bubbles are produced
c)2Cl- + 2H+ -->Cl2 + H2
d)Cl- has higher concentration than OH-
e)H+ion]]> 2020-04-22 06:04:45 UTC https://padlet.com/cyb8653/gdweihk5c93u/wish/522032633 Gary Shan https://padlet.com/cyb8653/gdweihk5c93u/wish/522032645 1. a) 2Cl- -> cl2 + 2e-
b) colourless gas bubbles are produced
c) 2cl-+ 2H+ -> Cl2 + H2
d) Cl- higher concentration than OH-
e) H+]]> 2020-04-22 06:04:46 UTC https://padlet.com/cyb8653/gdweihk5c93u/wish/522032645 Chew Se Min https://padlet.com/cyb8653/gdweihk5c93u/wish/522032651 1. (a) 2Cl- -->Cl2+2e-
(b) colourless gas bubbles are produced 
(c) 2Cl- +2H+ --> Cl2+H2 
(d) Cl- has higher concentration than OH- 
(e) H+ ion ]]> 2020-04-22 06:04:46 UTC https://padlet.com/cyb8653/gdweihk5c93u/wish/522032651 Chuah Sin Yong https://padlet.com/cyb8653/gdweihk5c93u/wish/522032669 1a)2Cl- ->Cl2+2e-
 b)colourless gas bubble are produced.
 c)2Cl-+2H+ ->Cl2+H2
 d)Cl- has higher concentration than OH-
e)H+]]> 2020-04-22 06:04:47 UTC https://padlet.com/cyb8653/gdweihk5c93u/wish/522032669 Tan Kim Chun https://padlet.com/cyb8653/gdweihk5c93u/wish/522032841 1.2Cl- -->Cl2+ 2e-
2.colourless gas bubbles prodused
3.2H+ + 2Cl -->Cl2 +H2
4.Cl- has higher concentration than OH-
5.H+]]> 2020-04-22 06:04:56 UTC https://padlet.com/cyb8653/gdweihk5c93u/wish/522032841 Ee Jing Wen https://padlet.com/cyb8653/gdweihk5c93u/wish/522032871 (a) 2Cl- --> Cl2 + 2e-
(b) colourless gas buble released
(c) 2Cl- + 2H+ --> Cl2 + H2
(d)Cl- has a higher concentration than OH-
(e)H+]]> 2020-04-22 06:04:57 UTC https://padlet.com/cyb8653/gdweihk5c93u/wish/522032871 See Hao Zhe 5S6 https://padlet.com/cyb8653/gdweihk5c93u/wish/522033011 1a. 2Cl- --> Cl2+2e-
1b. green gas is produced
1c. 2Cl- + 2H+ --> 2Cl- + H2
1d. H+ is lower than K+ in the ECS
1e. H+]]> 2020-04-22 06:05:03 UTC https://padlet.com/cyb8653/gdweihk5c93u/wish/522033011 Chee Jia Tao https://padlet.com/cyb8653/gdweihk5c93u/wish/522033384 a)Cl- --> Cl2+ + 2e-

b)colorless gas bubbles formed 

c)2Cl- + 2H+ --> Cl2 + H2

d)Cl- has a higher concentration than OH-

e) hydrogen ions]]> 2020-04-22 06:05:18 UTC https://padlet.com/cyb8653/gdweihk5c93u/wish/522033384 Lam Wei Er https://padlet.com/cyb8653/gdweihk5c93u/wish/522033578 1）
a. 2Cl →Cl2 + 2e-
b. Colourless gas bubbles is released.
C. 2Cl- + H+ → Cl2 + H2
D. Cl ion has more concentration than OH-.
E. H+


]]> 2020-04-22 06:05:28 UTC https://padlet.com/cyb8653/gdweihk5c93u/wish/522033578 Lee En Ying, Francine https://padlet.com/cyb8653/gdweihk5c93u/wish/522033772 1.(a) 2Cl- --> Cl2 + 2e-

(b) Colourless gas bubbles are produced

(c) 2Cl- + 2H+  --> Cl2 + H2

(d) Cl- ions has a higher concentration than OH- ions.

(e) Hydrogen ion]]> 2020-04-22 06:05:38 UTC https://padlet.com/cyb8653/gdweihk5c93u/wish/522033772 Lim Saentz https://padlet.com/cyb8653/gdweihk5c93u/wish/522033854 1.a) 2Cl -->Cl2 + 2e-
b)colourless gas bubbles formed
c) 2Cl- +2H+ --> Cl2 +H2
d) Cl has higher concentration than OH-
e)Hydrogen ion]]> 2020-04-22 06:05:42 UTC https://padlet.com/cyb8653/gdweihk5c93u/wish/522033854 Chen Yean Ming https://padlet.com/cyb8653/gdweihk5c93u/wish/522033865 1) (a) 2Cl- -> Cl2 + 2e- 
(b) Colourless gas bubbles formed. 
(c) 2H+ + 2Cl- -> H2 + Cl2 
(d) Cl- is has higher concentration than OH-. 
(e) H+ ions. ]]> 2020-04-22 06:05:42 UTC https://padlet.com/cyb8653/gdweihk5c93u/wish/522033865 Chan Wei Sheng https://padlet.com/cyb8653/gdweihk5c93u/wish/522033887 a)2Cl- --> Cl2 + 2e-
b)colourless gas bubbles released
c)2Cl- + 2H+ --> Cl2 + H2
d)more concentration than hydroxide ion
e)hydrogen ion










]]> 2020-04-22 06:05:43 UTC https://padlet.com/cyb8653/gdweihk5c93u/wish/522033887 Priscilla https://padlet.com/cyb8653/gdweihk5c93u/wish/522033906 1a) 2Cl- --> Cl2 + 2e-
b) Colourless gas bubbles produced
c)2Cl- + 2H+ --> Cl2+ H2
d)Cl- is selectively discharged because it is more concentrated than OH-
e) H+ ion]]> 2020-04-22 06:05:44 UTC https://padlet.com/cyb8653/gdweihk5c93u/wish/522033906 Lim Qi Fei https://padlet.com/cyb8653/gdweihk5c93u/wish/522035087 a)2Cl- ---> Cl2+2e-
b)Colourless gas bubbles is produced
c)2Cl-+2H+--->Cl2+H2
d)Chloride ion has higher concentration than OH-
e)hydrogen ion]]> 2020-04-22 06:06:39 UTC https://padlet.com/cyb8653/gdweihk5c93u/wish/522035087 Adler Woo Zhen Hao https://padlet.com/cyb8653/gdweihk5c93u/wish/522035828 a)2Cl- > Cl2 + 2e-
b)colourless gas bubbles is produce
c)2Cl- + 2H+ > Cl2 + H2
d) because the concentration of chloride ion is higher than hydroxide ion
e)Hydrogen ion]]> 2020-04-22 06:07:16 UTC https://padlet.com/cyb8653/gdweihk5c93u/wish/522035828 Yap Siew Mun https://padlet.com/cyb8653/gdweihk5c93u/wish/522035857 1. 2Cl --> Cl2 + 2e-
2. colourless gas bubbles are produced
3. 2Cl- + 2H+ --> Cl2 + H2
4. Cl- has higher concentration than H+
5. H+ ion]]> 2020-04-22 06:07:18 UTC https://padlet.com/cyb8653/gdweihk5c93u/wish/522035857 Soon rui hek https://padlet.com/cyb8653/gdweihk5c93u/wish/522036013 1)a) half eq : 2Cl- -> Cl2 + 2e-
B) colourless has bubbles are produced . 
C) 2Cl- + 2H+ -> Cl2 + H2
D) The concentration of chloride ions is higher than hydroxide ions .
E) Hydrogen ion ]]> 2020-04-22 06:07:26 UTC https://padlet.com/cyb8653/gdweihk5c93u/wish/522036013 Estee Sia https://padlet.com/cyb8653/gdweihk5c93u/wish/522037300 1a. 2Cl- —-> Cl2+ 2e-
b. Colourless gas bubbles produced
c. 2Cl- + 2H+ —-> Cl2+H2
D. Higher concentration than OH- ion
E. H+ ion

]]> 2020-04-22 06:08:24 UTC https://padlet.com/cyb8653/gdweihk5c93u/wish/522037300 Chan Carmen https://padlet.com/cyb8653/gdweihk5c93u/wish/522037744 a) 2Cl- -> Cl2 +2e-
b) colourless gas bubbles are produces
c) 2Cl- + 2H+ -> Cl2 + H2
d) Cl- has higher concentration than H+
e) hydrogen ion ]]> 2020-04-22 06:08:41 UTC https://padlet.com/cyb8653/gdweihk5c93u/wish/522037744 Siow Yee Yang https://padlet.com/cyb8653/gdweihk5c93u/wish/522038226 a) 2Cl -> Cl2 + 2e-
b) colourless gas bubbles are produced
c) 2Cl- + 2H+ -> Cl2 + H2
d) H+ ion has a lower position in the electrochemical series then potassium ion.
e) Chloride ion]]> 2020-04-22 06:09:00 UTC https://padlet.com/cyb8653/gdweihk5c93u/wish/522038226 Goh Jia Yee https://padlet.com/cyb8653/gdweihk5c93u/wish/522038629 A) 2Cl- --> Cl2 + 2e-
B) Colourless gas bubbles are released
C) 2Cl- + 2H+ --> Cl2 + H2
D) Cl- has higher concentration than OH-
E) H+ion ]]> 2020-04-22 06:09:18 UTC https://padlet.com/cyb8653/gdweihk5c93u/wish/522038629 https://padlet.com/cyb8653/gdweihk5c93u/wish/522039693 Yeo quan xiang 
1a) 2Cl- -> Cl2 +2e-
b) colourless gas bubbles is produced
C)2Cl-+2H+->Cl2 + H2
d)Cl- has higher concentration than OH-
E)H+ ion]]> 2020-04-22 06:10:05 UTC https://padlet.com/cyb8653/gdweihk5c93u/wish/522039693 Low Xin Ning https://padlet.com/cyb8653/gdweihk5c93u/wish/522041038 a)2Cl- -> Cl2+2e-
b) Colourless gas bubbles are produced.
c) 2Cl- + H+ -> Cl2+H2
d) Cl- ion has more concentration than OH-.
e) H+]]> 2020-04-22 06:11:07 UTC https://padlet.com/cyb8653/gdweihk5c93u/wish/522041038 Jolyn Lin https://padlet.com/cyb8653/gdweihk5c93u/wish/522041886 a)2Cl- —> Cl2 + 2e-
b)colourless has bubbles are produced 
c)2Cl- +2H+ —> Cl2 +H2
d) Cl-has higher concentration than OH-
e)H+ion ]]> 2020-04-22 06:11:47 UTC https://padlet.com/cyb8653/gdweihk5c93u/wish/522041886 Rachel Hong Le Yao https://padlet.com/cyb8653/gdweihk5c93u/wish/522042996 a)2Cl-→ Cl2 + 2e-
b)colourless gas bubbles is produced
c)2Cl + 2H+ → Cl2 + H2
d)Cl- is higher concentration than OH-
e)H+ ion act as oxidising agent]]> 2020-04-22 06:12:35 UTC https://padlet.com/cyb8653/gdweihk5c93u/wish/522042996 Daphne Loh https://padlet.com/cyb8653/gdweihk5c93u/wish/522046464 a) 2Cl- --> Cl2 + 2e-
b) colourless gas bubbles are produced
c) 2Cl- + 2H+ --> Cl2 + H2
d) H+ has a lower position than K+ in ecs
e) H+ ion]]> 2020-04-22 06:14:58 UTC https://padlet.com/cyb8653/gdweihk5c93u/wish/522046464