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can any1 explain this HAMZ u dere
... help pleaseeee
Wht is the ans?
Hang on
See the number (VII) thats written after the word dichromate ?? Thats the OXIDATION state. If that number changes then the oxidation state changes too.BUT in this case it hasnt so the OXIDATION STATE IS THE SAME.SO the answer is C or DNext EXCESS K(OH) was added so the pH for an alkali is 12ish. So the pH would INCREASEANSWER is DWhich year is this from ?
2 more...! Q11 & Q39for q39, answer's D, but i thought carboxylic acids & alcohols have the same number of H? since its CnH2n+1OH and CnH2n+1COOH :S helpppppp pleasee !!!!! exams in an hourrrrr, hahahahahaha..
u said the asnwer is Dthats an ETHENE AND CARBOXYLIC ACID it works ^andwer for 11 is D also...you have to do the ocmubstion reaction and balance
why is answer Aisnt smaller give it a larger S.A?