AISS!E !"EMISTRY INVESTIGATO RY SUBMIT SUBM ITTED TED BY: #RO$E!T ALOK KUMAR XII ‘A’ K.V. NO.1,Gandhinaga CHEMISTRY INVESTIGATORY PROJECT
La%&a'&( )*'i+)a'* Thi i '& )*'i-( 'ha' ALOK KUMAR &- )a XII /S)i*n)*0 R& N& ha ))* -( )&23*'*d hi in4*'iga'&( 3&5*)' in )h*2i'( 3*)i%*d %( 'h* !*n'a B&ad &- S*)&nda( Ed)a'i&n /!BSE0 in )h*2i'( a%&a'&( &K*ndi(a Vid(aa(a N& 1, S*)'& 67, Gandhinaga E'*na S%5*)' dingEa2in* 'h* (*a 8718916. T*a)h*
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CHEMISTRY INVESTIGATORY PROJECT
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LABORATORY !ERTI
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A!KNO=LEDGEM ENT This project is prepared ! A"O# #$MAR o% c&ass 'II i( #e(dri!a Vid!a&a!a No )* Sector 3+* Ga(dhi(a,ar -(der the ,-ida(ce o% o-r che.istr! teachers*
Mr/ A# JHA Mrs/ ANITA NAIR
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AIM TO #RE#ARE U*a
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#RE
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Ur e ai sr e ac t i v et o war ds f o r mal de hy deatt heo r t ho and p a r as i t e s( s i t e s2,4and6)
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al l o wi ngupt o3uni t so f f o r mal de hydet oat t ac ht ot her i ng. Thei ni t i alr e ac t i o ni sf o r mat i o no f ahydr o xyme t hy lUr e a: HOCH1 4 CH2O 5 HOCH0CH2OH CHEMISTRY INVESTIGATORY PROJECT
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Thehy dr o x yme t hy lgr o upi sc apabl e o fr e ac t i ngwi t he i t he rano t he rf r e e o r t hoo rpar as i t e ,o rwi t hano t he r hy dr o x yme t hy lgr o up.Thefir s t r e ac t i o ngi v e same t hy l e ne br i dg e , andt hes e c o ndf o r msane t h e r br i dg e :
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HOCH0CH2OH 4 HOCH1 5 6HOCH072CH2 4 H2O Thedi Ur e a( HOC6H4) H2 i sc al l e d 2C bi s Ur e aF.Bi s Ur e aFc anf ur t he r l i nkg e ne r at i ngt r i -andt e t r aand hi g he rUr e ao l i g o me r s .
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2 HOCH0CH2OH 5 6HOCH0CH272O 4 H 2O CHEMISTRY INVESTIGATORY PROJECT
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DIAGRAM
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U*a
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REQUIREMENTS •
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;eaater Rod ?i&ter paper ?or.a&deh!d e CHEMISTRY INVESTIGATORY PROJECT
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THEORY •
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Ur e ar e s i nsar ec o nde ns at i o n po l yme r i z at i o npr o duc t so f Ur e ai cde r i v at i v e swi t h al de hy des uc has f o r mal de hyde . Mo s ti mpo r t antme mbe ro f t hi sc l as si sBakel i t e,Ur ea f ormal dehyder es i n. I t spr e par e db yc o nde ns i ng Ur e awi t hf o r mal de hy dei n t hepr e s e nc eo fac i di co rbas i c c a t a l y s t .
CHEMISTRY INVESTIGATORY PROJECT
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PROCEDURE Take5mlo fg l ac i alac e t i c ac i dand2. 5mlo f40% f o r mal de hy dei nabe ake r . Add2. 5go fUr e ai nt oi t . Co v e rt heb e a ke rwi t hwat c h g l as so rfil t e rpape r . Addf e w dr o pso fHClt oi t andpl ac ei to nho tpl at e . Pi nkmas swi l lbef o r me di n t hebe ake r . Was h,dr yandwe i ght he pr o duc tf o r me d. •
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RESULT •
Pi nkmas si . e .Ur e a f o r mal de hyde( Bake l i t e )i s y i e l d e d .
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PRECAUTIONS •
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Ther e ac t i o ni ss o me t i me s vi go r o usandi ti sbe t t e rt obe l i t t l eawa yf r o mt hebe ake r whi l ea ddi ngc o nc .HCl . Ur e as ho ul dbes t i r r e di nt he f o r mal de hydes o l ut i o nf o rat l e as t10mi nt st omakei ta s at ur at e ds o l ut i o n. Co nc .hydr o c hl o r i cac i d s ho ul dbea dde ddr o pwi s e c ar e f ul l y . CHEMISTRY INVESTIGATORY PROJECT
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THE END
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