What type of reaction is CoCl2 NaOH?

What type of reaction is CoCl2 NaOH?

It is generally prepared by electrolysis of sodium chloride in Castner-kellner cell. A brine solution is electrolyzed using mercury cathode and carbon anode. Sodium metal, discharged at the cathode, combine with mercury to form sodium amalgam. Cl gas is evolved at the cathode.

A negatively charged sol of hydrated ferric oxide is formed when ferric chloride is added to NaOH solution as follows: FeCl3 + 2NaOH → Fe(OH)3 + 3NaCl. The neagtively charged sol is obtained because of the preferential adsorption of the OH− ions which form an electrical double layer.

Here, sodium hydroxide (NaOH) is added to cobalt(II) chloride (CoCl2). The result is a red solution and a blue-green precipitate.

NaOH
PHYSICAL AND CHEMICAL PROPERTIES

Type of Chemical Reaction: For this reaction we have a double replacement reaction. Balancing Strategies: This is a double displacement reaction. It is helpful to count the OH- as one thing since you have it on both sides of the equation (see video solution in “Show Balanced Equation”).

Does CoCl2 react with NaOH?

CoCl2 + 2NaOH → Co(OH)2 + 2NaCl Cobalt(II) chloride react with sodium hydroxide to produce sodium chloride and cobalt(II) hydroxide.

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