Advertisements
Advertisements
Question
Write word equation for the following chemical reaction given below. Also state the observation seen in the case.
\[\ce{2SO2 + O2 ⇌[V2O5][450°C] 2SO3}\]
Advertisements
Solution
Heat is evolved in the above chemical reaction.
APPEARS IN
RELATED QUESTIONS
How will you indicate Exothermic reaction in a chemical equation?
Write word equation for the following skeletal equation:
\[\ce{FeCl2 + Cl2 -> FeCl3}\]
Write word equation for the following skeletal equation:
\[\ce{KNO3 -> KNO2 + O2}\]
A student weighed some raisins and recorded the weight as ‘x’. She then soaked the raisins in distilled water. After about 2 hours she removed the raisins, wiped them dry and weighed them again, and recorded that as ‘y’. The percentage of water absorbed by raisins may be determined using the relationship.
Write the chemical equation for the following word equation and balance them.
Calcium + Nitrogen → Calcium nitride
Balance the following equation:
Zn + HNO3 `→` Zn(NO3)2 + H2O + NO2
A chemical reaction is generally accompanied by certain external indications or characteristics. These include – change of – (a) colour (b) state (c) smell (d) evolution of gas (e) formation of precipitate (f) evolution or absorption of heat. With reference to change of colour – state the change in colour seen when the following are heated – copper carbonate.
Name the following:
Two non-metal which react explosively when brought in close contact.
An element X is trivalent. Write the balanced equation for the combustion of X in oxygen.
Give an example of a chemical equation in which two reactants form:
one product
