What chemical test can be done to show the presence of ammonium ion in (NH4)2Cr2O7

  • Thread starter Thread starter manzaikid
  • Start date Start date
Test:put damp red litmus paper
Result:the paper turns blue
OR add a strong base like potassium hydroxide(KOH)/calcium hydroxide/sodium hydroxide
Result:a pungent choking smell gas is produced which is ammonia gas.
Remember:ammonium compound+strong base/alkali=ammonia gas is produced
 
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