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what part is giving you problems?
I cannot figure out how B is correct because wouldn't only Br be replaced with CN ? And after nitril hydrolysis CN changes to CO2H to give carboxylic acid i'm talking about 28
in fact, CH2Br would be replaced with CO2H
What how? Can you write equation for it plzzzz?
I figured out question 29.
28 ans is B?
This is so confusing :/ what i learned was the reaction between KCN and halogenoalkane and its a nucleophilic reaction halogen is replaced with CN and nitril is hyrolysed so CN gets replaced with CO2H
Yeah @HamidAliAbbasi but do you know the reaction?
"CN gets replaced with CO2H " this is right
sorry, i think im contradicting myself and maybe was wrong initially
yeah B is right
I just checked the markscheme to confirm it's written there B is the correct answer for 28
Oh yeah yeah
But how B is correct that's the problem
I just got confused cuzi didn't rearrange them
yep that's right
Understood or should i explain?
I understood thanks :)