Oxygen
Hydrogen
Nitrogen
Copper
Correct answer is D
No explanation has been provided for this answer.
What is the oxidation number of nitrogen in AI(NO3)3?
+ 1
+ 3
+ 5
+ 6
Correct answer is C
No explanation has been provided for this answer.
The reaction goes to completion at equilibrium
The forward reaction is exthermic
At equilibrium increase in temperature favours the reverse reaction
Pressure has no effect on the equilibrium mixture
Correct answer is D
No explanation has been provided for this answer.
direct combination is involved and the reaction is endothermic
a solid is formed and heat is evolved
activation energy is high and a catalyst is required
the reaction is endothermic and occurs at high temperature
Correct answer is B
No explanation has been provided for this answer.
What does ∆H represent in the following equation ? Cl(g) + e- → CI- (g); ∆H = - 363 kJ mol-1
lonization energy
Electron affinity
Dissociation energy
Heat of atomization
Correct answer is B
No explanation has been provided for this answer.