Unit 2 October 2023 - AS Chemistry Edexcel - Dr Hanaa Assil

Answers and explanations to the questions

[@AfraMehdi]

please update unit 5 and 6 as well. TIA 😊

[@ioannafernando4606]

when will you do the 2024 Jan unit 2

[@someonel900]

22:35 Why phophorus chloride ?the book said that it only works well for primary and secondary alcohols

[@mohammadalsufi5695]

Hey, I think the book states that both PCL5 and HCL can be used for tertiary alcohol chlorination , while HCL doesn’t works for primary and secondary alcohols

[@someonel900]

@@mohammadalsufi5695 thanks for pointing it out

[@someonel900]

@@mohammadalsufi5695 thanks for pointing it out

[@mikiafylele4174]

in question 4 doesn’t branching decrease the boiling point

[@mdifty9378]

Video for Jan 24?

[@syke1498]

areh chacha apne?

[@mdifty9378]

@@syke1498 areh chaha apne

[@elizamehzebin2421]

why won't the ans be D in the first mcq can you please explain? 4 C-F bonds are also being broken in option D

[@drhanaaassil-chemistryteac9433]

breaking bonds is endothermic

[@elizamehzebin2421]

@@drhanaaassil-chemistryteac9433 isn't option D also endothermic?

[@jawatu6326]

​@elizamehzebin2421 C(s) is formed , which means that it is exothermic 100% because the bond formed is a solid . Solid bond formation and liquid bond formation is more exothermic

[@esraamuhanad]

can u please solve unit 4 october/november 2022?

[@oongaboonga3014]

mam any tips for the jan exam? It’s in three days

[@vamos234]

It's today

[@pd61831]

19:38 can anyone explain this

[@the_crackin3610]

Sodium hydroxide an alkali reacts with H+ an acid . H+ is used meaning it is lessening . So equilibrium shifts to left to produce more H+ . To maintain balance

[@pd61831]

@@the_crackin3610oh alr i got it now thanks

[@birdie7344]

thank you miss

[@abdulrahmanrahim-x9r]

Hey how is ur prep

[@birdie7344]

@@abdulrahmanrahim-x9r hey, I'm revising all the things, quite nervous though. how about you?

tamam olang şimdik anladım eyvallah

[@oongaboonga3014]

gra gra