0
Which flame is seen when sodium hydroxide reacts with zinc granule?
Wiki User
∙ 9y ago
In this reaction hydrogen is released and hydrogen burn.
Wiki User
∙ 8y ago
Add your answer:
Earn +20 pts
What color does sodium hydroxide burn in a flame test?
Bright yellow :: This is the sodium ions. Any sodium compound will give a flame test colour of yellow/
What is the chemical equation for sodium oxide reacts with water to produce sodium hydroxide?
Na2O(s) + H2O(l) = 2NaOH(aq) Like sodium metal , sodium oxide reacts with water, however, it does NOT liberate hydrogen, so there is no 'popping' or flashing flame. Na2O is a BASE NaOH is an ALKALI (Soluble Base)
When sodium is put in water it produces a golden flame why?
Metallic sodium reacts with water producing sodium hydroxide, hydrogen gas, and lots of heat. The hydrogen gas mixes with air and the heat ignites this mixture. Small amounts of sodium atoms are carried up into the flame, where the heat ionizes them. As these excited ions relax back to their ground state they emit yellow/golden color photons, giving the flame its hue.
Why do you see flame in reaction between sodium and water?
The sodium an water react to produce sodium hydroxide, hydrogen gas, and large amounts of heat. This heat ignites the hydrogen which in turn sets the sodium on fire. Sodium burns with a yellowish flame.
What ionic compound has a orange flame with sparks when it is burnt?
I'm not sure but I know that when sodium reacts with bromine it does that.
What color does an alkali turn in a flame?
it depends on what is in the alkali, sodium, calcium, lithium all turn different colours, I believe lithium turns purple, an alkali is a compound with hydroxide ie sodium hydroxide is NaOH
How sodium reacts with water?
Sodium+Hydrogen Oxide -----> Sodium Oxide + Hydrogen. When put into water, it ignites then turns a bright pink/blue/red/purple. I am intrigued as to where you learned (???) your chemistry. Sodium + Water (dihydrogen oxide) ------> Sodium Hydroxide + Hydrogen Also, it is very rare for it to ignite. The heat energy released during the exothermic reaction dissipates quickly to the surrounding water. Therefore, the sodium never gets hot enough to ignite the hydrogen. If you float a piece of filter paper on the water and place the sodium on it, then the sodium's movement on the water is reduced allowing enough heat energy to build up around it. This can ignite the hydrogen being produced. This heats the remaining sodium producing a bright orange flame. Certainly not pink/blue/red/purple !!! Think about flame tests to identify cations. Also, how many sodium lights have you seen that don't produce an orange light ??
What are the observations when potassium reacts with water?
Potassium reacts vigorously with water, as it is one of the most reactive alkali metals. When it does, it floats on top of the water, and burns a lilac flame. It also may explode. Fizzing and bubbling will also be seen as hydrogen gas is produced. The potassium reacts with the water to become a hydroxide (potassium hydroxide)
Metal that bursts into flame when it reacts with water?
Potassium is the only metal (alkali metal) where a flame is present. Lithium and sodium fizz but there is no flame. Caesium, francium and rubidium all explode on contact with water.
Does energy release in a sodium and chlorine reaction?
Yes. When sodium reacts with chlorine large amounts of energy are released in the form of light. The reaction even produces a flame.
Why does tabel salt burns into a green flame?
Table Salt is Sodium Chloride, which reacts with a flame and turns it yellow.
Chemical test can distinguish sodium carbonate form potassium hydroxide?
- use a flame test to distinguish between sodium and potassium - use flame photometry to determine sodium and potassium - heat sodium carbonate and collect the gas in a beaker with water: the gas released is carbon dioxide; see the bubbles. Measure the pH; it will be more than 7.
