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CBSE Class 10 Answered

WHEN TWO OXYGEN ATOMS ARE COVALENTLY BONDED TOGETHER TO MAKE STABLE MOLECULE O2 (IF OXYGEN ATOMS BECOMES STABLE THEN OXYGEN MOLECULE BECOMES STABLE) OR EARN NOBLE GAS CONFUGRATION TO EARN STABILITY .SO WHY STABLE OXYGEN MOLECULE "O2"(WHICH SHOULD BE UNREACTIVE AS NOBLE GASES AS IT BECOMES STABLE) REACTS WITH OTHER ATOMS OF DIFFERENT ELEMENTS SUCH AS IT REACTS WITH CARBON TO FORM CO2(IN SAME WAY STABLE H2 FORMED BY TWO HYDROGEN ATOMS COVALENTLY BONDED TOGETHER TO EARN NOBLE GAS STABILITY REACTS WITH OTHER LIKE STABLE CLHORINE MOLECULE)?PLEASE EXPLAIN IN DETAIL 
Asked by abinash.gupta003 | 06 Nov, 2017, 05:46: PM
answered-by-expert Expert Answer
Oxygen, Hydrogen, Chlorine these gases are stable gases unless we provide energy to them in any form it may be light, heat, pressure, electricity, catalyst, etc.
You asked that carbon reacts with oxygen to form carbon monoxide but the reaction between them is endothermic it required heat to form a product. they will never react at room temperature
 
also, Hydrogen gas reacts with chlorine gas to form HCl but to react with each other they need some reaction conditions to be fulfilled.

The reaction of hydrogen with chlorine: In the presence of diffused sunlight, the reaction is slow and becomes explosive in direct sunlight.

      H2 + Cl2 → 2HCl.........  In presence of sunlight

                                       

Answered by Ramandeep | 06 Nov, 2017, 06:27: PM

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