t - butyl chloride used . 80 MIS 9 moles moles benzene used ._ 2, 40 MIS 9 Mass of 1 , 4 - di - t- butylbenzene recovered .082 8 observed melting...

WWhat is the purpose of using a damp cotton trap for reaction and the IR indicate of 820cm-1

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t - butyl chloride used ... 0. 80MIS9molesmolesbenzene used ..._ 2, 40MIS9Mass of 1 , 4 - di - t- butylbenzene recovered ... 1 .082 8observed melting range ....722_75 %()2 , 1019( ref : 77- 79 ( )Tare