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Questions tagged [halogens]

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0 votes
0 answers
22 views

Why does chlorine have a higher electron affinity value than fluorine? [duplicate]

Why does chlorine have a higher electron affinity value than fluorine? Since this periodic property tends from the bottom up (in the group), the logic would be that the fluorine is the element with ...
Santiago Javier Celis Lara's user avatar
-2 votes
1 answer
39 views

Synthesis Sec - Butyl Bromide from alcohol

The question is to make Sec-butyl Bromide from alcohol. From what i have read, 2° and 3° alkyl bromide and alkyl iodide cannot be formed with Conc H2SO4 as it will make it into alkene. I have tried P4 ...
Aum Pandya's user avatar
1 vote
1 answer
230 views

Iodine solution concentration

I am planning to make 1L of 0.005M iodine solution from KI and I2. I have found instructions that say to use 2 g of KI and 1.3 g of I2 but no explanation why exactly this particular amount. I also ...
Ance's user avatar
  • 19
0 votes
0 answers
89 views

Formation of hypofluorite from F2 and hydroxide

Why $\ce{FO-}$ can't form in reaction of $\ce{F2}$ with $\ce{OH-}$ but $\ce{ClO-}$ can form on reacting $\ce{Cl2}$ with $\ce{OH-}$? Is $\ce{FO-}$ very unstable? I know that fluorine can't have ...
Harjot Dhillon's user avatar
1 vote
1 answer
462 views

Substitution or elimination when a chloroalkene reacts with NaOH in ethanol?

NaOH + EtOH will eliminate the Cl atom forming a double bond. At least, that's what I think. 3 could also be a viable answer since the OH can also attack the said double bond (this is probably not ...
Aranya's user avatar
  • 13