Interested to Buy Any Domain ? << Click Here >> for more details...
In acid base titration, after complet consumption of HCl by
NaOH, addition of next drop of NaOH will give pink colour
with phenolpthalein indicator. Why this pink colour appear?
Why not blue, black, green or anything elese?
- 3 Answers
- 11545 Views
- I also Faced
- E-Mail Answers
Answer Posted / umesh patel
in basic media(in NaoH), phenolphthelin shows pink color
only
colorless if pH of the media goes below 8
pink color will appear if pH goes beyond the pH of 10.00
| Is This Answer Correct ? | 11 Yes | 8 No |
Post New Answer View All Answers
Colorimtry
What is similarity factor?
how require to select dissolution media? what is discrimination?
How require to perform linearity as per ANVISA? What are the acceptance criteria?
why cone formation during dissolution?
cefoperozone and sulbactam inj. hplc test method
how the compound separate in coulunm,explain
IS THERE ANY EQUIPMENT TO CHECK AND CALCULATE THE POLARITY OF A LIQUID?
We use Potassium Dichromate solution for the calibration of UV-Visible Spectrophotometer in UV region. My question is to calibrate visible region which solution could be used in photometric accuracy
How to fix the sample conc. in Related substances test by HPLC?
What should be the level/ Percentage of Arsenic in Arsenic free zinc.
we can use expired sample for validation and analyst qualification?
how we can identify the impurity is coming below loq at transfering site?
in hplc chromatogram started from left to right and in uv spectrum started from left to right
Difference between hlaf and rlaf
