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Effect on Indicators by Acids and Bases

Two solutions...

Question

Two solutions X and Y are tested with universal indicators. Solution X turns orange whereas solution Y turns red. Which of the solutions is a stronger acid ?

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Solution

pH values is inversely proportional to acidic nature. Lower the pH, greater the acidic nature.

Since pH value of red color is less than orange.

Thus, solution Y is more acidic than X.

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Similar questions

Solution A turns universal indicator blue to purple whereas solution B turns universal indicator orange to red.

(a) What will be the action of solution A on litmus?

(b) What will be the action of solution B on litmus?

(c) Name any two substances which can give solutions like A.

(d) Name any two substances which can give solutions like B.

(e) What sort of reactions takes place when solution A reacts with solution B?

Q. A student was given four unknown solutions in test-tubes marked A, B, C and D and asked to test them with universal indicator solution. He observed that on putting universal indicator solution, the solutions A, B, C and D turned blue, orange, green and red respectively. The test-tube which contains sodium chloride solution is :
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Q. Two solutions X and Y are tested with universal indicator. Solution X turns orange whereas solution Y turns red. Which of the solutions is a stronger acid?

Q. Solution A turns universal indicator from blue to purple whereas solution B turns universal indicator from orange to red.
1) Name any two substances that can give solutions like A.
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Q. Solution A turns universal indicator blue to purple whereas solution B turns universal indicator orange to red.
(a) What will be the action of solution A on litmus?
(b) What will be action of solution B on litmus?
(c) Name any two substances which can give solutions like A.
(d) Name any two substances which can give solutions like B.
(e) What sort of reaction takes place when solution A reacts with solution B?

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Effect on Indicators by Acids and Bases

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