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What happens to the pH of an alkali as it is neutralised?
As an alkali is neutralized, its pH will decrease because the added acid will counteract the basic properties of the alkali. It will move closer to a neutral pH of 7 as the acid and base react to form water and a salt.
What indicators can be used in titration?
Acid Alkali Indicator Details Strong Strong Methyl Orange pipette alkali, and burette acid (change from yellow to light pink when neutralised) Weak Strong Phenolphthalien pipette acid, and burette alkali (change from colouless to salmon pink when neutralised) Strong Weak Methyl Orange pipette alkali, and burette acid (change from yellow to light pink when neutralised) Acid Alkali Indicator Details Strong Strong Methyl Orange pipette alkali, and burette acid (change from yellow to light pink when neutralised) Weak Strong Phenolphthalien pipette acid, and burette alkali (change from colouless to salmon pink when neutralised) Strong Weak Methyl Orange pipette alkali, and burette acid (change from yellow to light pink when neutralised)
What happens to the pH when acid is added to an alkali does it go up or down?
When acid is added to an alkali, the pH decreases or goes down. This is because the acid donates hydrogen ions (H+) to the alkali, neutralizing the alkaline properties and shifting the pH towards neutrality or acidity.
What happens whey you add acid to alkali the pH solution gets?
it changes its colour into red.
What happens to the pH of an acid as it is neutralised?
It becomes 7, the neutral pH - green in colour. The strongest acid is PH 14 (usually purple) so it also decreases
What happens to the pH when an alkali is added to a acid?
When an alkali is added to an acid, the pH increases as the acid is neutralized by the base. This reaction forms water and a salt. The pH ultimately depends on the strength of the acid and the alkali.
What is an acid neutralized by?
An Acid is neutralised by a Base , Alkali or Carboinate. Remember the general equations. Acid + Alkali = Salt + Water Acid + Base = Salt + Water Acid + Carbonate = Salt + Water + Carbon dioxide. NB An Alkali is a soluble Base.
How do you know pH 11 is acid?
pH 11 is an alkali not an acid
What is neutralised by a wasp sting?
It neutralizes because an acid is added to the sting which is in a liquid form this sting is also an alkali this means that when you put a bit of acid in it makes it turn green which on the PH scale means that is is a neutral thing!
Will the pH change when an alkali is added to an acid?
Yes, the pH will change when an alkali is added to an acid. The addition of an alkali to an acid will result in the neutralization reaction, forming water and salt. This reaction will change the pH towards being more neutral.
What does adding alkali to acid do to pH?
The solution become more and more alkaline and the pH increase.
What is the change in PH when an alkali is slowly added to an acidic solution?
The actual answer depends on the strength of the acid / alkali used. However the pH will change from around 1-6 to 8-14 depending on the strength of the acid / base. pH ~1 for strong acid pH ~6 for weak acid pH ~8 for strong base pH ~14 for strong base
