The colourless gas that turns brown in air is

Question

The colourless gas that turns brown in air is (A)  NO  (B)  NO2 (C) N2O4 (D) N2O5

Tardigrade Admin · Accepted Answer

Nitric oxide, NO, a colourless gas, when comes in contact of air, turns brown due to its oxidation into NO 2 (which is brown in colour). underset text colourless 2 NO + underset text (fromair) O 2 arrow underset text brown 2 NO 2

Q. The colourless gas that turns brown in air is

$NO$

$N O_{2}$

$N_{2} O_{4}$

$N_{2} O_{5}$

Nitric oxide, $NO$ , a colourless gas, when comes in contact of air, turns brown due to its oxidation into $N O_{2}$ (which is brown in colour).
$colourless 2 NO + (fromair) O_{2} \to brown 2 N O_{2}$

Q. The colourless gas that turns brown in air is

NO

NO2​

N2​O4​

N2​O5​

Nitric oxide, NO, a colourless gas, when comes in contact of air, turns brown due to its oxidation into NO2​ (which is brown in colour). colourless 2NO​+ (fromair) O2​​→ brown 2NO2​​

$NO$

$N O_{2}$

$N_{2} O_{4}$

$N_{2} O_{5}$

Nitric oxide, $NO$ , a colourless gas, when comes in contact of air, turns brown due to its oxidation into $N O_{2}$ (which is brown in colour).
$colourless 2 NO + (fromair) O_{2} \to brown 2 N O_{2}$