JEE Main & Advanced AIEEE Solved Paper-2003

  • question_answer
    Concentrated hydrochloric acid when kept in open air sometimes produces a cloud of white fumes. The explanation for it is that     AIEEE  Solved  Paper-2003

    A) concentrated hydrochloric acid emits strongly smelling HCI gas all the time

    B) oxygen in air reacts with the emitted HCI gas to form a cloud of chlorine gas 

    C) strong affinity of HCI gas for moisture in air results in forming of droplets of liquid solution which appears like a cloudy smoke

    D) due to strong affinity for water, concentrated hydrochloric acid pulls moisture of air towards itself. This moisture forms droplets of water and hence the cloud

    Correct Answer: B

    Solution :

    \[2HCl+\frac{1}{2}{{O}_{2}}\xrightarrow{{}}{{H}_{2}}O+C{{l}_{2}}\]


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