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because heat excites sodium atom and move their valence electron from 3s orbital to 3p orbital as those electrons fa;;s back to 3s they emit a photon with a wave length thats why color changes to yellow.

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Q: Why methanol is changing its colour to yellow on addition of sodium metal?
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What happens if sodium methoxide 25 percent in methanol reacts with water?

The sodium methoxide reacts with the water to produce sodium hydroxide an methanol.


Will sodium chloride dissolve in methanol?

The solubility of sodium chloride in methanol is 14 g/kg at 25 0C.


Is sodium more soluble than methanol in water?

No. Sodium compounds do have a limit to their solubility in water. Methanol is water soluble in all proportions.


Reaction between sodium hydroxide and methanol?

no it will not


Would the alkoxide form if an hydroxide was dissolved in methanol?

No. Alkoxide ions are stronger bases than hydroxide ions. The only way of making an alkoxide is by reacting a hihgly reactive metal such as sodium with the corresponding alcohol (react sodium with methanol to produce sodium methoxide). In water sodium methoxide will react to produce sodium hydroxide and methanol.


Why should sodium methoxide 25 percent in methanol be kept tightly closed when not in use?

Firstly, sodium methoxide is extremely toxic, so you want to handle it carefully without ever spilling (e.g. from an unsealed container). Secondly, methanol is hygroscopic and will pick up lots of water from the atmosphere. Water will hydrolyze sodium methoxide into methanol and sodium hydroxide. You wouldn't want your methanol to evaporate either.


What is the reaction between Hydrazoic acid and Sodium methoxide solution?

sodium azide + methanol


Is sodium sulfate soluble in ethanol?

Sodium sulfate is practically insoluble in ethanol. But it adsorbs ethanol as well as methanol.


What colour would sodium chloride produce in heat?

In a flame, sodium chloride produces a bright orange-yellow colour.


How can you tell sodium hydroxide acted as a catalyst?

Sodium hydroxide anhydrous is used as a catalyst for the transesterification reactions of methanol and triglycerides.


Methanol CH3OH would act like NaCl or like glucose?

Methanol, glucose and sodium chloride are very different compounds and they react different.


What is the reaction of methanol with sodamide?

Methanol reacts with sodamide (sodium amide) to produce sdoium methoxide and ammonia. CH3OH + NaNH2 --> NaOCH3 + NH3