Consider the following statements:
(a) Both acids and bases change colour of all indicators.
(b) If an indicator gives a colour change with an acid, it does not give a change with a base.
(c) If an indicator changes colour with a base, it does not change colour with an acid.
(d) Change of colour in an acid and a base depends on the type of the indicator
Which of these statements are correct?
(i) All four (ii) a and d (iii) b, c and d
(iv) only d
Answers
Answer:
Correct option is
D
Only D!
Explanation:
Only D
Only DSome indicators cannot change colour for both acid and bases.
Only DSome indicators cannot change colour for both acid and bases.It is an indicator gives colour change for acid, it can give a colour change for a base also.
Only DSome indicators cannot change colour for both acid and bases.It is an indicator gives colour change for acid, it can give a colour change for a base also.The colour change depends on the type of indicator.
Only DSome indicators cannot change colour for both acid and bases.It is an indicator gives colour change for acid, it can give a colour change for a base also.The colour change depends on the type of indicator.Hence the correct option is D.
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