Which of the following molecule is an expanded valence shell molecule?

Which bond has the strongest bond strength?

Iron rusting is an endothermic and spontaneous reaction.

Standard enthalpy change is measured at 273K and 760 mmHg.

If the energy absorbed in bond breaking is more than the energy given out in bond making, the reaction is endothermic.

Enthalpy change is the heat change accompanying a chemical reaction at constant ___.

Dissolving ammonium chloride in water is a/an ___ process.

There is a temperature rise in the surrounding when ___ takes place.

The rate of reaction depends on the rate of successful collisions between reactant particles.

Most heterogeneous catalysts are solid that catalyse either gaseous or liquid reactants.

Reactions that are initiated by heat are called photochemical reactions

In the Boltzmann distribution curve, when the higher temperature is decreased to the lower temperature, the curve shape changes to a flat pattern.

White phosphorus bursts into flame when exposed to ___

The rate of reaction is ___ to the time taken.

The rate of reaction becomes double when the temperature is increased by ___ degree

In the manufacturing ___ by ammonia oxidation (Ostwald process), Platinum-Rhodium catalyst speed up the reaction.

The reaction is completely stopped at the equilibrium

Reversible reaction can proceed in the reverse direction only.

In homogeneous chemical equilibrium, the reactants and products of chemical equilibrium are present in more than one phase.

If the external factors are altered, the system will shift to a new state of equilibrium.

Industrial processes are usually designed to give the maximum yield of ___.