During the digestion step of the Kjeldahl method, which reagent is used to convert organic nitrogen to the ammonium salt that is later distilled as ammonia?
A
Concentrated 
B
Aqueous NaOH
C
Concentrated 
D
Dilute HCl
Text Solution
Verified by ExpertsThe correct answer is:
A
In Kjeldahl digestion, the sample is heated with conc. 
, converting organic nitrogen to 
; on alkalising with 
is liberated for distillation/titration.
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