Untitled Deck Flashcards
(89 cards)
What is the product of the reaction 2Na + H2?
2NaH
This reaction forms sodium hydride.
What is the product of the reaction Ca + H2?
CaH2
This reaction forms calcium hydride.
What is the general reaction formula for hydrogen and halogens (X2)?
H2 + X2 → 2HX
What is the equilibrium reaction for hydrogen and nitrogen?
3H2 + N2 ⇌ 2NH3
What does CuO + H2 produce?
Cu + H2O
This reaction reduces copper oxide to elemental copper.
What is produced when sodium reacts with water?
H2 + 2NaOH
This reaction shows sodium’s ability to reduce hydrogen.
What is the product of NaH + H2O?
H2 + NaOH
This reaction is vigorous, used in emergency flotation devices.
What is the result of CH4 + H2O?
3H2 + CO
This reaction is known as steam reforming of methane.
What does 2CH4 yield when subjected to thermal decomposition?
3H2 + C2H2
This is the thermal cracking of methane.
What happens to water in the presence of glowing carbon?
H2 + CO
This reaction shows the breakdown of water by carbon.
What is the reaction for I2 in the presence of iodide ions (I–)?
I2(aq) + I–(aq) ⇌ I3–(aq)
What therapeutic solution is made from potassium iodide and iodine?
Lugol’s solution
Used for various therapeutic purposes, it can also detect starch.
What gas is produced when fluorine reacts with water?
O2
This reaction also produces ozone gas.
What is the reaction of Cl2 with I– ions?
Cl2 + 2I– → 2Cl– + I2
What is the result of 2Na + Cl2?
2NaCl
What happens to aluminum when it reacts with iodine?
2Al + 3I2 → 2AlI3
This reaction is exothermic, causing sublimation of iodine.
What is produced in the reaction of F2 with H2?
2HF
This reaction occurs even under cold and dark conditions.
What is the condition needed for Cl2 + H2 to react?
UV light or spark
What is the reaction of Br2 and H2?
2HBr
This reaction is relatively slow and requires heat.
What is the equilibrium reaction for I2 and H2?
I2 + H2 ⇌ 2HI
How are halogens produced from halides?
By oxidation in the lab or by electrolysis on an industrial scale.
What is the equation for producing chlorine gas from potassium permanganate?
2KMnO4 + 16HCl → 5Cl2 + 8H2O + 2KCl + 2MnCl2
How do HX(aq) and H2O(f) react?
HX(aq) + H2O(f) = H3O+(aq) + X–(aq)
What is produced when HX reacts with NaOH?
NaX + H2O