Observe the figure and answer the questions.
a) Define neutralization? Explain with example.
b) What is the colour of phenolphthalein?
c) When do you observe pink colour and colour less
solution with phenolphthalein?
d) Write the colour change in acid and base with methyl
orange
Answers
Answer:
ha ya na bolo aap
Explanation:
when do you observe pink colour and base with methaly orange
Answer:
a).
The neutralization reaction is the one in which an acid reacts with an equimolar amount of base to give salt and water. The example could be a reaction between any strong acid and a base. The sodium chloride formed is a result of neutralization reaction.
b).colourless
Phenolphthalein is naturally colourless but turns pink in alkaline solutions. In acidic pH levels the indicator remains colourless throughout and when it comes to a pH level of 8.2 it begins to turn pink.
c).Phenolphthalein indicator remains colourless in the acidic solution while its colour changes to pink in basic solution. It is found that on adding a base in an acid, a stage reaches when effect of acid is neutralised by base and vice-versa as indicated by colour change of indicator
d).Methyl orange shows red color in acidic medium and yellow color in basic medium. ... In a solution becoming less acidic, methyl orange changes from red to orange and, finally, to yellow—with the reverse process occurring in a solution of increasing acidity.
Hope it helps☺
Make me a brainlest if u wish