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@Dexter
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which one dude
theres a lot
15. Apparently
'cause that's the only one that mentions alkali metals
yea got that
lmao
my bad
ig its just for narrowling down the elements
Not your bad lmao
Vo crop karke daal deta
Hmm I guess so
cuz carbonates can be from anywhere on the table they are just narrowing it down to Group 1 and 2
cuz i dont think
1st chapter me there would any use of valences
not that i understand the question lmao
I have headache
I will see this later ðŸ˜
ouchh
yea ig what you have to do
is to make carbonates of each option for eg
for 1 you make BeCO3 and make it react
then you do the stoich and see how much diffrence is between the theorectical volume of CO2 (moles of CO2) and the actual Volume of CO2 (actual moles of CO2)
i hmmmmm
this isnt working
this is that question where you get stuck, ask the teach and then when it gets solved you ask yourself "ye kyu nahi hua yaar ðŸ˜"
in this question i think first pv nrt to get moles and a general equation of what it could be say x metal reactedd with it
and then backdrag
is the ans d?
@YAWN
what i basically did
and alkali metals are group 2 metals with a valency of 2
It’s BðŸ˜
wth
where did i go wrong
let me recheck
Wait how would we balance it tho
aa ok so i did with only alkaine earth one
but didnt see impurity thing
What’s the difference between alkali metals and alkaline earth metals
basically i did only alkali ewarth metal here and it has a valency of 2 usuing tht u can easy
alkali earth are group 2 and alkali earth are grp one
with valency as 2 and 1 respectively
let me try the purity part also
Yea but if there’s question mentions it’s either alkali or alkaline earth then it depends on that right
That’s where I’m confused
try out both of them and see which gives the correct ans
give general to both
ik it is a bit tedious but no other way
Alright thanks dude
in this question if u do
both only diff it would make is in earth ones molecular mass comes out 21.6 and the other i think should be halfish though let me do the calc
@YAWN so i did with impurity and yes lithium seems to be the ans it is coming close by
option a gives me molar mass of 27.5 which is not matching with be and
c gives molar mass which is also not matching with be
d gives molar mass of 17.5 which is not matching to mg
So the final method is just hit and trial right after calculating the moles?
ys
here it is
Alright dude thank you so much
np
if u ok do close the doubt
+solved @Sephrina @flower @Varun_Arora
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