hey guys could anyone help explaining to me bond enthalpy questions? when you have to work out the bond enthalpy of a molecule knowing normally the products and △H, would be so appreciated!
i) m/z value of the peak furthest to the right ii) a formula which Mr adds up to 31, then just add + to end of that fragment (due to loss of electron) iii) compound containing C, H, O which Mr adds up to 46 (molecular ion value) b) (63x72.2)+(65x27.8)/100
can someone help meee... I just wanna know I get confused when it comes to curly arrows how do I know if its an nucleophile substitution or electrophilic.....please help thanks
can someone help meee... I just wanna know I get confused when it comes to curly arrows how do I know if its an nucleophile substitution or electrophilic.....please help thanks
If it involves adding things to a double bond to break the double bond, it's electrophillic It's nucleophillic if it involves swapping OH for a Halogen
can someone help meee... I just wanna know I get confused when it comes to curly arrows how do I know if its an nucleophile substitution or electrophilic.....please help thanks
nucleophile is an electron rich species that can donate a lone pair of electrons such as OH- Electrophilic is the one such as the addition of HBr or Br2 across a double bond
nucleophile is an electron rich species that can donate a lone pair of electrons such as OH- Electrophilic is the one such as the addition of HBr or Br2 across a double bond
oh so if it gives us something like this (this is completely made up) ...................... c4h7I reacting with OH- to give C4H7OH+I- is electrophilic?
Say if you are given the molecular formula, how do you find the empirical formula from this? Thanks in advance
Empirical formula is just the simplest whole number ratio of the molecular formula... so an example of molecular formula... C3H6 simplifies down to CH2 but numbers that dont simplify down... C3H7 the molecular formula for this is the same as the empirical because it wont simplify without creating decimals
oh so if it gives us something like this (this is completely made up) ...................... c4h7I reacting with OH- to give C4H7OH+I- is electrophilic?
C4H7I + OH- ---> C4H7OH + I- and it's nucleophilic because the OH- is an electron rich species due to the minus sign. it's negatively charged because it can donate a pair of electrons.