Related Questions

In which of the following gaseous phase reactions, the equilibrium of the reaction remains unaffacted by pressure changes ?
A $$2{{\text{O}}_3} \rightleftharpoons 3{{\text{O}}_2}$$
B $${{\text{N}}_2} + {{\text{O}}_2} \rightleftharpoons 2{\text{NO}}$$
C $$2{\text{N}}{{\text{O}}_2} \rightleftharpoons {{\text{N}}_2}{{\text{O}}_4}$$
D $$2{\text{S}}{{\text{O}}_2} + {{\text{O}}_2} \rightleftharpoons 2{\text{S}}{{\text{O}}_3}$$
With an increase in pressure in gaseous phase chemical reactions, the fractional conversion __________ when the number of moles decreases.
A Increases
B Decreases
C Remains unaffected
D Unpredictable from the data
For an ideal gas mixture undergoing a reversible gaseous phase chemical reaction, the equilibrium constant
A Is independent of pressure
B Increases with pressure
C Decreases with pressure
D Increases /decreases with pressure depending on the stoichiometric co-efficients of the reaction
The expression for the work done for a reversible polytropic process can be used to obtain the expression for work done for all processes, except reversible __________ process.
A Isobaric
B Isothermal
C Adiabatic
D None of these
Gasification of the solid fuel converts its organic part into combustible by interaction with air/oxygen and steam so as to obtain a secondary gaseous fuel of high calorific value having no ash. Gasification reactions are normally carried out at about __________ °C.
A 400-500
B 900-1000
C 1400-1500
D 1700-1800
In the gaseous diffusion process of uranium enrichment, the natural uranium is converted into gaseous
A Uranium oxide
B Uranium hexaflouride
C Uranium carbide
D Uranium sulphate
Scheme-1: C6H5N2Cl→CuCNC6H5CN→H2o/H+C6H5COOH→∆Product-I Scheme-2: C6H5NO2→Fe/HCLC6H5NH2→N2NO3+HCL, 273KC6H5N2Cl→H2O/H+Product-II Scheme-3: CH3COOH→NH3CH3CONH2→NaOBrProduct-III উল্লিখিত Scheme সমূহে Product-I, Product-II এবং Product-III হলো যথাক্রমেঃ
A C6H5COONH4, C6H5Cl and CH3OH
B C6H5CONH2, C6H5NH2 and CH3OH
C C6H5CONH2, C6H5NH2 and CH3NH2
D C6H5CONH2, C6H5OH and CH3OH
In a compound steam engine, the first stage of expansion is carried out in a high pressure cylinder whereas the last expansion is completed in low pressure cylinder. The diameter of high pressure cylinder is _________ the low pressure cylinder.
A Equal to
B Less than
C More than
D None of these
While dissolving a gas into a liquid at a constant temperature, the ratio of the concentration of the gas in the solution phase and in the gaseous phase is
A Infinity
B Unity
C Constant
D Negative
A process of heating crude oil to a high temperature under a very high pressure to increase the yield of lighter distillates, is known as
A Cracking
B Carbonization
C Fractional distillation
D Full distillation

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