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05/11/2020 7:07 pm
Topic starter
An element A burns with golden flame in air. It reacts with another element B, atomic number 17 to give a product C. An aqueous solution of product C on electrolysis gives a compound D and liberates hydrogen. Identify A, B, C and D. Also write down the equations for the reactions involved, HOTS.
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05/11/2020 7:08 pm
A is sodium as it burns with golden flame in air.
‘B’ (17) has electronic configuration 2, 8, 7 so ‘B’ is chlorine
A is Na, ‘B’ is Cl2 , ‘C’ is NaCl and ‘D’ is NaOH.