nilesh


{ City } vadodara
< Country > india
* Profession * r&d executive
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Questions / { nilesh }
Questions Answers Category Views Company eMail

I have impure organic compound trimethyl hydroquinone, how many methods available to purify it. Plz explain in detail

 3 Organic Chemistry 5789

What is the difference between Capillary column and Packed column.

Cipla, Hetero, Sun Pharma, Supreme Petrochem,

7 Analytical Chemistry 66595



Answers / { nilesh }

Question { 46402 }

how can standardized of HCl of 0.1 N


Answer

2 gm Anhyd. Na2Co3 + 150 ml H20 + 4-5 drops Methyl Orange
indicator & titrate with HCl & Colour change is Yellow to
Slight Pink.
Wt of Na2Co3 x 1000
Formulla = -------------------------
B.R x 53

Is This Answer Correct ?    37 Yes 14 No