MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

pH the Power of H

What is the w...

Question

What is the working pH range for methyl orange?

A

6.4 - 8.0

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

1.2 - 2.8

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

3.1 - 4.4

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

D

6.0 - 7.8

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is C $3.1 - 4.4$
REF. Image.
The pH range of indicators
Indicator $p K_{i n d}$ pH range
litmus 6.5 5-8
methyl orange 3.7 3.1 - 4.4
phenolphthalein 9.3 8.3-10.0

Suggest Corrections

thumbs-up

1

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}

(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. Methyl orange indicator is used for the pH range:

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

.

Q. What is the working pH range for phenopthalein?

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

3 t o 5.

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

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

pH and pOH

CHEMISTRY

Watch in App

explore_more_icon

Explore more

pH the Power of H

Standard XII Chemistry

Join BYJU'S Learning Program

CrossIcon