Methyl orange indicator is used for the pH range:

3.2 - 4.4

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4.8 - 6.0

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6.8 - 8.4

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8.2 - 10.0

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Solution

The correct option is A $3.2 - 4.4$
Methyl orange is PH indicator used in titration because of its clear and distinct color variance at different pH values. Methyl orange shows red color in acidic medium and yellow color in basic medium.

Methyl orange is used in the $p H$ range of $3.2 - 4.4$ .

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Similar questions

Indicator	pH range
Methyl violet	0.3-1.8
Methyl orange	2.8-3.8
Congo red	2.8-4.8
Methyl red	3.8-6.1
Bromothylmol blue	6.0-7.9
Phenol Red	6.8-8.6

The table above shows the pH ranges of some common indicators. Given that

K_{a}

7.3 \times 10^{- 10}

for boric acid

(H_{3} B O_{3})

, Choose an indicator that can be used for the titration of

0.10 M K H_{2} B O_{3}

with 0.10 M HCl.

Q. Assertion :In the acid-base titration involving a strong base and a weak acid, methyl orange can be used as an indicator. Reason: Methyl orange changes its colour in pH range

3

5

For phenolphthalein $p K_{i n}$ = 9.7. The indicator can be used for the pH range of 8.2 to 10. Calculate the $\frac{[I n^{-}]}{[H I n]}$ for the upper and lower limits of the range.

Q. What is the working pH range for methyl orange?

Q. Assertion :In the acid-base titration involving a strong base and a weak acid, methyl orange can be used as an indicator Reason: Methyl orange changes its colour in

p H

range

3 t o 5.

Read the above assertion and reason and choose the correct option regarding it.

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Methyl orange indicator is used for the pH range:

The correct option is A 3.2−4.4Methyl orange is PH indicator used in titration because of its clear and distinct color variance at different pH values. Methyl orange shows red color in acidic medium and yellow color in basic medium.Methyl orange is used in the pH range of 3.2−4.4.

The correct option is A $3.2 - 4.4$
Methyl orange is PH indicator used in titration because of its clear and distinct color variance at different pH values. Methyl orange shows red color in acidic medium and yellow color in basic medium.

Methyl orange is used in the $p H$ range of $3.2 - 4.4$ .