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Hydronium Ion

Match the typ...

Question

Match the type of acid/base with the corresponding colour shown by the universal indicator.

A

Red

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B

Light Blue

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C

Purple

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D

Orange

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Solution

Strong acids: pH range of 0 to 3
Weak acids: pH range of 3.0 to 6.99
Weak bases: pH range of 7.01 to 10.5
Strong bases: pH range of 10.5 to 14

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Similar questions

Q. Match the compounds with the corresponding colour shown by the universal indicator in a concentrated aqueous solution.

Q. Match the following indicator types with their colour in acids/bases.

Q. Match the type of acid/base with the corresponding example.

Q. Consider the following statements :

(A) Both acids and bases change the 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?

Distinguish between:

(a) a common acid-base indicator and a universal indicator,

(b) the acidity of bases and basicity of acids,

(c) acid and alkali (other than indicators).

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