Why do we boil the extract with conc. HNO3 in Lassaigne’s test for halogens?
A. to increase the concentration of NO3– ions
B. to increase the solubility product of AgCl
C. it increases the precipitation of AgCl
D. for the decomposition of Na2S and NaCN formed
Answer:D
Why do we boil the extract with conc. HNO3 in Lassaigne’s test for halogens?
A. to increase the concentration of NO3– ions B. to increase the solubility product of AgCl C. it increases the precipitation of AgCl D. for the decomposition of Na2S and NaCN formed