Question

when lead nitrate powder is heated in a boiling tube coloured fumes of gas X is produced along with aother product write tge balanced chemical equation for the reaction involved and its type and also identify X and write it's colour

Answer 1

X = Nitrogen dioxide gas ,  Color - Reddish brown

Reaction:$2Pb(NO)_{3} = 2PbO + 4NO_{2} + O_{2}$

Explanation:

Lead nitrate is a white crystalline solid. The material is soluble in water. It is noncombustible but it will accelerate the burning of combustible materials. If large quantities of the material are involved in the fire an explosion may result. Prolonged exposure of the material to fire or heat may result in an explosion. Toxic oxides of nitrogen are produced in fires involving this material.

When lead nitrate is heated, it breaks down into lead monoxide, nitrogen dioxide, and oxygen .

Nitrogen is a reddish brown gas.

The balanced chemical equation of heating of lead nitrate :

$2Pb(NO)_{3} = 2PbO + 4NO_{2} + O_{2}$

Nitrogen dioxide appears as a reddish brown gas or yellowish-brown liquid when cooled or compressed. Shipped as a liquefied gas under own vapor pressure. Vapors are heavier than air. Toxic by inhalation (vapor) and skin absorption. Noncombustible, but accelerates the burning of combustible materials. Cylinders and ton containers may not be equipped with a safety relief device.

Answer 2

Explanation:

2Pb(NO3)2 ⇒ 2PbO+4NO2+O2 .

The gas X is Nitrogen dioxide and its color is brown.

2Pb(NO3)2-color less(white)

Pbo- Yellow color.

NO2 - reddish brown.