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Categories >> Sciences >> Chemistry >> Chemistry AllOther
 
 


 

 
 Organic Chemistry interview questions  Organic Chemistry Interview Questions (222)
 Inorganic Chemistry interview questions  Inorganic Chemistry Interview Questions (96)
 Analytical Chemistry interview questions  Analytical Chemistry Interview Questions (848)
 Physical Chemistry interview questions  Physical Chemistry Interview Questions (57)
 General Chemistry interview questions  General Chemistry Interview Questions (283)
 Chemistry AllOther interview questions  Chemistry AllOther Interview Questions (71)
Question
why do you use water & Disodium tartrate in karl fischer?
 Question Submitted By :: Chemistry-AllOther
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
Sodium Tartrate Dihydrate is not absorb any moisture and
and more accurate we are going to select for DST when
water content sample <1.0 %only and DST when dissolved in
methanol not degrade
 
Is This Answer Correct ?    30 Yes 8 No
N.senthilkumar
 
Answer
# 2
Sodium Tartrate Dihydrate as Primary Standard for Karl
Fischer Reagent
 
Is This Answer Correct ?    29 Yes 15 No
Pranaya
 
 
 
Answer
# 3
DST never absorb water mal.at room temp.& hence its factor never changes while calculating Moisture content 
Is This Answer Correct ?    13 Yes 1 No
Shankar
 
Answer
# 4
1.this if the primary standard.it has known water
molecules .it cannotabsorb any moisture.so water molecules
are constant.
 
Is This Answer Correct ?    12 Yes 4 No
Kalyani
 
Answer
# 5
because it is primary std. it will not absorbs water
content from the sample at room temp.and it will give more
accurate results for the determination of the KF factor.
 
Is This Answer Correct ?    3 Yes 1 No
Hema Latha
 
Answer
# 6
water molecules are constant. 
Is This Answer Correct ?    5 Yes 5 No
Narayudu
 

 
 
 
Other Chemistry AllOther Interview Questions
 
  Question Asked @ Answers
 
What is full form of ALC? BARC 6
how can i plating of brass in golden colour   1
What is the Range Of Infra red Spectrum? Amneal-Pharmaceuticals 5
in coupling reactions,why we are using cocatalistand what the use of tetrakis and dikis   1
what is the difference between hot air oven and vacuum oven? why you are using vacuum for some products Alkem-Labs 6
how can we find out the PH of water without the use of PH meter?   5
Can we use water in process (Intermediate stage) during phase -I validation of water system. GSK 1
What is the difference between QA & QC ?   4
father of modern chemistry   8
what is beer-lamberts law   3
what is reaction of sodium borohydride and HCl gas..?   2
define electrochemistry?   1
 
For more Chemistry AllOther Interview Questions Click Here 
 
 
 
 
 


   
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