Question

When sodium nitrite reacts with
dilute HCl a brown gas is produced
This brown gas is a mixture of:​

Answer 1

Answer:

Hi mate

Explanation:

correct. KBr , on reaction with conc.H2SO4 , gives reddish - brown bromine gas. KBr + H2SO4⟶ KHSO4 + HBr , 2HBr + H2SO4⟶ Br2 + 2H2O + SO2

Answer 2

Answer:

When you add solid NaNO2 to an acid at room temperature like dilute H2SO4, HCl or HNO3, then the stuff heavily bubbles and you get a big brown plume of NO2. This is well known:

NO2(-) + H(+) ---> HNO2

2HNO2 <---> H2O + NO + NO2