July 14, 2020, 09:40:43 AM
Forum Rules: Read This Before Posting


Topic: Synthesis of Hexaamminenickel (II) tetrafluoroborate  (Read 20418 times)

0 Members and 1 Guest are viewing this topic.

Offline rosco_pk

  • Regular Member
  • ***
  • Posts: 13
  • Mole Snacks: +0/-0
  • Gender: Male
Synthesis of Hexaamminenickel (II) tetrafluoroborate
« on: December 15, 2008, 07:55:46 PM »
Ok so i made a compund in a lab - Hexaamminenickel (II) terafluoroborate ( [Ni(NH3)6][BF4]2) from Nickel Chloride (NiCl2) reacting with aqueous ammonia (NH3) then with ammonium tetraflouroborate[NH4][BF4]. The intermediate being [Ni(NH3)6]Cl2.

I need to write a balanced equation so i can calculate the percentage yeild of my product. Anyone able to help me??? I came up with NiCl2 + NH3 + (NH4)(BF4) = Ni(NH3)6(BF4)2 + Cl2 but i dont think that is correct.

Offline AWK

  • Retired Staff
  • Sr. Member
  • *
  • Posts: 7399
  • Mole Snacks: +516/-86
  • Gender: Male
Re: Synthesis of Hexaamminenickel (II) tetrafluoroborate
« Reply #1 on: December 16, 2008, 01:02:22 AM »
Write down a double replacement reaction (metathesis) between nickel chloride and ammonium tetrafluoroborate first, then form a complex. Finally add both reaction
AWK

Offline n4k

  • Regular Member
  • ***
  • Posts: 26
  • Mole Snacks: +2/-3
  • Gender: Male
    • Новочебоксарский химический портал
Re: Synthesis of Hexaamminenickel (II) tetrafluoroborate
« Reply #2 on: December 16, 2008, 05:33:51 AM »
 ;)this is reaction addition
I like to synthesize various substances

Offline rosco_pk

  • Regular Member
  • ***
  • Posts: 13
  • Mole Snacks: +0/-0
  • Gender: Male
Re: Synthesis of Hexaamminenickel (II) tetrafluoroborate
« Reply #3 on: December 16, 2008, 06:47:57 PM »
thanks for the pointers.

Offline lekoala

  • Very New Member
  • *
  • Posts: 1
  • Mole Snacks: +0/-0
Re: Synthesis of Hexaamminenickel (II) tetrafluoroborate
« Reply #4 on: October 22, 2010, 06:41:48 AM »
I no this is from 2008 but I'm at uni and I just did this lab so Im posting the equation for other new students

[NA(NH3)6]Cl2 + 2NH4 + 2BF4 –> [Ni(NH3)](BF4)2 + 2Cl- + 2NH+4

voila

Offline Prince

  • Very New Member
  • *
  • Posts: 1
  • Mole Snacks: +0/-0
Re: Synthesis of Hexaamminenickel (II) tetrafluoroborate
« Reply #5 on: April 27, 2015, 08:25:38 AM »
aren't there suppose to be six ammonia ligands in the complex?

Sponsored Links