Related Questions

Limiting reactant in a chemical reaction decides the
A Rate constant
B Conversion
C Reaction speed
D Equilibrium constant
For a reacation, X → Y, if the concentration of 'X' is tripled; the rate becomes nine times. The order of reaction is
A 0
B 1
C 2
D 3
When all the limiting reactant is consumed in the reaction, the operational yield __________ the relative yield.
A Is greater than
B Is smaller than
C Equals
D Can be either greater or smaller than (depends on the type of reaction)
For a first order chemical reaction, the concentration of the reactant decreases __________ with time.
A Linearly
B Exponentially
C Logarithmically
D Inversely
রাসায়নিক বিক্রিয়ায় বিক্রিয়ক ও উৎপাদের (reactant and product of a chemical reaction ) মধ্যে মূল পরিবর্তন ঘটে কোনটি?
A অভ্যন্তরীণ শক্তি
B স্থিতি শক্তি
C গতি শক্তি
D বন্ধন শক্তি
A chemical reaction is of zero order, when the reaction rate is (where, CA = concentration of reactant)
A $$ \propto {\text{CA}}$$
B $$ \propto \frac{1}{{{\text{CA}}}}$$
C Independent of temperature
D None of these
If n = overall order of a chemical reaction. a = initial concentration of reactant. t = time required to complete a definite fraction of the reaction. Then pick out the correct relationship.
A $${\text{t}} \propto \frac{1}{{{{\text{a}}^{\text{n}}}}}$$
B $${\text{t}} \propto \frac{1}{{{{\text{a}}^{{\text{n}} - 1}}}}$$
C $${\text{t}} \propto \frac{1}{{{{\text{a}}^{{\text{n}} + 1}}}}$$
D $${\text{t}} \propto {{\text{a}}^{\text{n}}}$$
Chemical potential (an intensive property) of a substance is a force that drives the chemical system to equilibrium and is equal to its partial molar properties. The reatio of chemical potential to free energy of a pure substance at oconstant temperature and pressure is
A 0
B 1
C ∞
D None of these
Half-life period for a first order reaction is __________ the initial concentration of the reactant.
A Directly proportional to
B Inversely proportional to
C Independent of
D None of these
In a grinding operation, the limiting particle size is the size of the __________ particle in the sample.
A Smallest
B Largest
C Either A or B
D Neither A nor B

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