[help] question about neutralisation (1 Viewer)

[j248078394]

i got a question in the assingment saying that "assess the use of nuetralisation reaction as a safty measure or minimise damage in accidents or chemical spills."
i have no idea how to answer this question. anyone would like to help!

 

[xiao1985]

say you spilled acid... how could you clean it up? use cloth = no no as the acid will stay in the cloth, and just spread everywhere... therefore, you use dilute, weak base to neutralise it....

 

[j248078394]

is there any negative impacts of nuetralisation?
this is also been asked of the question

 

[elseany]

you have to identify the fact that you should use an amphiprotic substance so its suitable for either acidic or basic spills, you need the chemical your going to use to be a solid so it can be safely distributed and it has to have safe products from the reaction.

a good chemical to use is sodium hydrogen carbonate

 

[MCaristo]

is there any negative impacts of nuetralisation?
this is also been asked of the question

Yes, the neutralisation reaction is exothermic and as such will produce heat - i.e can be a danger.

 

[xiao1985]

which is why you don't use strong acid/base for neutralisation...

 

[wrxsti]

First mention an Amphiprotic Ion eg) HCO3-
Then rite what would happen if there was an acid spilt H+ + HCO3- -> H20 + CO2
If Base spilt OH- + HC03- --> CO3 2- + H20
Neutrilisation should NOT be used on skin as it is an exothermic reaction and thus would produce considerable amounts of heat
Neutrilisation would be appropriate to use on benchtops However a strong base should not be used to neutrilise a strong acid as this would wear away the benchtop
A weak base can be used whilst continually supplying water to the spill, The reaction is exothermic however the addition of water has a cooling effect
Therefore Neutrilisation is very useful for spills on benchtops however should not be used on the skin