No products in the cart.

Why does the colour changes when …

CBSE, JEE, NEET, CUET

Question Bank, Mock Tests, Exam Papers

NCERT Solutions, Sample Papers, Notes, Videos

Install Now

Why does the colour changes when the phenolpthaline is added dropwise to washing soda solution?

Posted by Lutfunnesha Khatun 5 years, 5 months ago

CBSE > Class 10 > Science

1 answers

? Pranali.A.P ? 5 years, 5 months ago

This is so because the last drop of added alkali brings the pH of the solution in the range in which phenolphthalein shows sharp colour change. In the titration of strong acid and a weak base, methyl orange is chosen as indicator.

0Thank You

ANSWER

Test

Related Questions

Explain three stages of resource planning

Posted by Harshita Tondey 1 year, 4 months ago

CBSE > Class 10 > Science

3 answers

What effect does the concentration of H+(aq) ions have on the nature of the solution

Posted by Tushar Sharma 1 year, 4 months ago

CBSE > Class 10 > Science

2 answers

How do organisms obtain their nutrition?

Posted by Rani Alan 1 year, 4 months ago

CBSE > Class 10 > Science

1 answers

This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

Few rules to keep homework help section safe, clean and informative.

Don't post personal information, mobile numbers and other details.
Don't use this platform for chatting, social networking and making friends. This platform is meant only for asking subject specific and study related questions.
Be nice and polite and avoid rude and abusive language. Avoid inappropriate language and attention, vulgar terms and anything sexually suggestive. Avoid harassment and bullying.
Ask specific question which are clear and concise.

Remember the goal of this website is to share knowledge and learn from each other. Ask questions and help others by answering questions.

Posted by Pandey Ji 5 months, 3 weeks ago

CBSE > Class 10 > Science