A house wife does not clean her brass utensils for few days in her kitchen . she finds a greenish coating on them . what could be the reason ? what the greenish coating is of?

Open in App

Solution

Brass is an alloy made of copper. Copper when exposed to moist air forms copper carbonate and copper hydroxide due to corrosion.
$2 C u + H_{2} O + C O_{2} + O_{2} \to C u (O H)_{2} + C u C O_{3}$

Suggest Corrections

Similar questions

Greenish layer appears on the copper utensils if they are not cleaned for few days. Give reason.

A greenish layer appears on the copper utensils if they are not cleaned for a few days. Give reason. [2 MARKS]

Greenish layer appears on the copper utensils if they are not cleaned for a few days.

Greenish layer appears on the copper utensils if they are not cleaned for a few days. Give reason. [2 MARKS]

Snoop observed that his copper bracelet developed a greenish coating after some time. What could be the reason for this? Support your answer with the help of a chemical equation.

Join BYJU'S Learning Program

A house wife does not clean her brass utensils for few days in her kitchen . she finds a greenish coating on them . what could be the reason ? what the greenish coating is of?

Brass is an alloy made of copper. Copper when exposed to moist air forms copper carbonate and copper hydroxide due to corrosion. 2Cu + H2O + CO2 + O2 → Cu(OH)2 + CuCO3

Brass is an alloy made of copper. Copper when exposed to moist air forms copper carbonate and copper hydroxide due to corrosion.
$2 C u + H_{2} O + C O_{2} + O_{2} \to C u (O H)_{2} + C u C O_{3}$