Enthalpy is equal to :
B.
Given the equilibrium system:
What change will shift the equilibrium to the right?
Decreasing the temperature
Increasing the temperature
Dissolving NaCl crystals in the equilibrium mixture
Dissolving NH4NO3 crystals in the equilibrium mixture
Equivalent amounts of H2 and I2, are heated in a closed vessel till equilibrium is obtained. If 80% of the hydrogen can be converted to HI, the Kc at this temperature is :
64
16
0.25
4
For the reaction the equilibrium constant KP changes with:
total pressure
catalyst
the amount H2 and I2
temperature
In TeCl4 the central atom tellurium involves :
sp3 hybridisation
sp3d hybridisation
sp3d2 hybridisation
dsp2 hybridisation
A nuclear reaction of with a neutron produces and two neutrons. Other element produced in this reaction is
A coordiante bond is a dative covalent bond. Which of the below is true?
Three atom form bond by sharing their electrons
Two atom form bond by sharing their electrons
Two atoms form bond and one of them provides both electrons
Two atoms form bond by sharing electrons obtained from third atom