Acetylene is burned in welding torches according to the following chemical reaction:2 C2H2 + 5 O2 $rightarrow$ 4 CO2 + 2 H2OHow many oxygen (O) atoms are found in the reactants?

CHEMISTRY

Please wait while the activity loads.
If this activity does not load, try refreshing your browser. Also, this page requires javascript. Please visit using a browser with javascript enabled.

If loading fails, click here to try again

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

Acetylene is burned in welding torches according to the following chemical reaction:2 C2H2 + 5 O2

A	10
B	5
C	8
D	2

Explanation:

Detailed explanation-1: -Acetylene [C2H2] burns in air forming carbon dioxide and water vapour.

Detailed explanation-2: -The combustion of acetylene is described by the balanced chemical equation. 2C2H2 gas plus 5O2 gas react to form 4CO2 gas plus 2H2O gas.

Detailed explanation-3: -Acetylene (C2H2 C 2 H 2 ) gas is often used in welding torches because of the very high heat produced when it reacts with oxygen gas, producing carbon dioxide gas and water vapor.

There is 1 question to complete.

SSC MTS EXAM

SSC

CHEMISTRY