On a humid day in summer, the mole fraction of gaseous H2O (water vapour ) in the air at 25° C can be as high as 0.0287. Assuming the total pressure of 0.977 atm, what is the partial pressure of dry air ?
The energy level diagrams for exothermic SN1 and SN2 reactions could be respectively (R - Reactants P - products)
Chloroform gives a trichloro derivative of an alcohol on reaction with
The values of λ so that the line 3x-4y=λ touches x2+y2-4x-8y-5=0 are
According to MO theory, which of the following ranks the nitrogen species in terms of increasing bond order?
The average monthly salary of workers in a factory is Rs. 206. If the average monthly salary of males and females are Rs. 210 and Rs. 190 respectively, the percentage of female employed in the factory is
Which of the following on thermal decomposition yields a basic as well as an acidic oxide?
If vector a = i + 2j + 3k and b = i × (a×i) + j×(a×j) + k×(a×k) then length of b is equal to
The angle of minimum deviation in an equilateral prism of refractive index 1.414 is
Fear or exitement, generally cause one to breath rapidly and it results in the decrease of {tex}CO_2{/tex} concentration in blood. In what way will it change the pH of blood?
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