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A greenish yellow gas ‘A’ with …

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A greenish yellow gas ‘A’ with pungent and suffocating odour, is a powerful bleaching agent. ‘A’ on treatment with dry slaked lime it gives bleaching powder. Identify ‘A’ and explain the reason for its bleaching action. Write the balanced chemical equation for the reaction of ‘A’ with hot and concentrated NaOH.

Posted by Harshit Waldia 4 years ago

CBSE > Class 12 > Chemistry

2 answers

Alok Yadav 4 years ago

Chlorine is A. A+NaoH gives NaCl &NaClO3 &H2O

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Gaurav Seth 4 years ago

The given compound 'A' is calcium oxychloride because it is a oxidising agent and in open it reacts with CO₂ to give pungent smelling chlorine gas.

CaOCl₂ + CO₂ → CaCO₃ + Cl₂ It is prepared by the action of dry slaked lime with chlorine gas.

Ca(OH)₂ + Cl₂ → CaOCl₂ + H₂O

Calcium oxychloride is commercially known as Bleaching powder.

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CBSE > Class 12 > Chemistry

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Posted by Shivam Modanwal 4 months, 2 weeks ago

CBSE > Class 12 > Chemistry