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General
Easy
Question
Which of the following holds good to the laws of thermodynamics for the reaction 
The correct answer is:
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chemistry-
When a reaction is conducted in an open vessel, the heat of reaction is represented as
When a reaction is conducted in an open vessel, the heat of reaction is represented as
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chemistry-
For which one of the following system 
For which one of the following system
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chemistry-
The difference between 
H and E for the reaction 
The difference between H and E for the reaction
chemistry-General
chemistry-
Which of the following relationship is correct for a reaction involving both reactants and products are in either solid or liquid state?
Which of the following relationship is correct for a reaction involving both reactants and products are in either solid or liquid state?
chemistry-General
chemistry-
The heat of reaction at constant volume and temperature is represented by
The heat of reaction at constant volume and temperature is represented by
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chemistry-
The free energy profile for the transformation of A in to G is shown below.
What is the least stable transition state :
The free energy profile for the transformation of A in to G is shown below.
What is the least stable transition state :
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The free energy profile for the transformation of A in to G is shown below.
The slowest step in the forward direction:
The free energy profile for the transformation of A in to G is shown below.
The slowest step in the forward direction:
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chemistry-
The free energy profile for the transformation of A in to G is shown below.
The overall reaction is :
The free energy profile for the transformation of A in to G is shown below.
The overall reaction is :
chemistry-General
chemistry-
The reaction 
is of first order both with respect to the persulphate and iodide ions. Taking the initial concentration as ' a ' and 'b' respectively and taking x as the concentration of the triodide at time t a differential rate equation can be written. Two suggested mechanisms for the reaction are
The general differential equation for the above reaction is
The reaction is of first order both with respect to the persulphate and iodide ions. Taking the initial concentration as ' a ' and 'b' respectively and taking x as the concentration of the triodide at time t a differential rate equation can be written. Two suggested mechanisms for the reaction are
The general differential equation for the above reaction is
chemistry-General
chemistry-
Figure shows a graph in 
where K is rate constant and T is temperature. The straight line BC has slope, 
and an intercept of 5 on y-axis. Thus 
, the energy of activation is:
Figure shows a graph in where K is rate constant and T is temperature. The straight line BC has slope, and an intercept of 5 on y-axis. Thus , the energy of activation is:
chemistry-General
chemistry-
For an exothermic chemical process occurring in two steps as :
i) A+B→X (slow)
ii) X→AB( fast 
The progress of the reaction can be best described by :
For an exothermic chemical process occurring in two steps as :
i) A+B→X (slow)
ii) X→AB( fast
The progress of the reaction can be best described by :
chemistry-General
chemistry-
With respect to the figure given below which of the following statement is correct
With respect to the figure given below which of the following statement is correct
chemistry-General
chemistry-
Mark correct statement about given graph:
Mark correct statement about given graph:
chemistry-General
chemistry-
The heats of combustion of carbon, hydrogen and acetylene are -394K.J, -286K.J and -1301 K.J respectively. Calculate heat of formation of 
The heats of combustion of carbon, hydrogen and acetylene are -394K.J, -286K.J and -1301 K.J respectively. Calculate heat of formation of
chemistry-General
chemistry-
For the adsorption of solution on a solid surface 
Adsorption isotherm of 
was found of the type (Fig) This is when
For the adsorption of solution on a solid surface Adsorption isotherm of was found of the type (Fig) This is when
chemistry-General
