00:01
Hello everyone.
00:02
So in this question there is an electrolysis of an alkaline earth metal.
00:08
Electrolysis of alkaline earth metal has been occurring.
00:17
And we have a current as 5 ampere, 5 .00 amp.
00:21
Also we have deposit amount of 0 .471 gram of of 0 .471 gram of of metal at cathode at cathode now we have to identify the alkaline earth metal chloride out of these options right so let's calculate the first of all the charge okay so we know that q will be equal to it where q is charge i is current and t will be time so we have been also given the time as 20 20 seconds okay so, q will be equal to amper 5 .00 multiply by 20 -20 seconds.
01:12
So it will be equal to 1 .100 cullum of charge.
01:18
Okay? so we have calculated the charge.
01:22
Now, in the next step, since all metals are divalent, we have been given in the options that all metals, all metals are divalent.
01:36
Means they will gain two electrons to get deposit as metal.
01:42
They will get two electrons to get deposited.
01:52
So in this reaction there will be extraction of two electrons by any metal, divalent metal, and it will deposit it in the form of solid at cathode.
02:06
So where m is the alkaline earth metal.
02:09
Now in the next step, as we know, 2 mole of electron will be equal to 1 mole of metal...
