Lee Wei Hao's answer to Chowder's Junior College 1 H3 Maths question.

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Lee Wei Hao
Lee Wei Hao's answer
127 answers (Tutor Details)
1st
Hope this helps
Chowder
Chowder
6 years ago
Thank you but for Fe i got 4- . And can u help me with organic chemistry ? Please
Lee Wei Hao
Lee Wei Hao
6 years ago
Sure
Lee Wei Hao
Lee Wei Hao
6 years ago
But for fe, each CN is a -1 and total charge is -4. There are 6 CN which the total should be -6. Hence the reduction of 2 means that Fe is 2+
Chowder
Chowder
6 years ago
But i thought neutral compounds their oxidation state is 0?
Chowder
Chowder
6 years ago
And whr did u find the total charge as -4 ? There is for K which means +4 right but how T.T help me please please pleaseeee
Lee Wei Hao
Lee Wei Hao
6 years ago
K is group I. It is naturally +1. CN is naturally -1 as it is cyanide ion. CN is not neutral as c need to 4 electrons and n need only 3 electrons
Chowder
Chowder
6 years ago
Hi can u help me with principles of inorganic chemistry 2 ? Please?
Chowder
Chowder
6 years ago
If tertiary alkyl halide + weak nucleophile . Will it still undergo SN1 or it will undergo SN2?
Lee Wei Hao
Lee Wei Hao
6 years ago
If it is tertiary, always undergo sn1