Question Answers

During the kinetic study of the reaction, 2A + B long right arrow C + D​, following results were obtained . Based on the above data which one of the following is correct ? 2A + B long right arrow C + D​ During the kinetic study of the reaction following results were obtained . [...]

For the reaction N2O5(g)→ 2NO2(g) + 1/2O2(g) the value of rate of disappearance of N2O5 is given as 6.25 x 10^3 mol L^-1 s^-1. The rate of formation of NO2 and O2 is given respectively as : For the reaction N2O5(g)→ 2NO2(g) + 1/2O2(g) the value of rate of disappearance of N2O5 is given as [...]

The half life of a substance in a certain enzyme catalysed reaction is 138 s. The time required for the concentration of the substance to fall from 1.28 mg L−1 to 0.04 mg L−1 is The half life of a substance in a certain enzyme catalysed reaction is 138 s. The time required for the [...]

The unit of rate constant for a zero order reaction is The unit of rate constant for a zero order reaction is June 26, 2021 Category: Chapter 17 - Chemical Kinetics , Chemistry , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions ,

The rate of the reaction: 2N2O5​⟶ 4NO2 + O2 can be written in three ways. -d [N2O5 ]/dt = k [ N2O5 ] d [NO2 ] /dt The rate of the reaction: 2N2O5​⟶ 4NO2 + O2 can be written in three ways. -d [N2O5 ]/dt = k [ N2O5 ] d [NO2 ] /dt June [...]

Which one of the following statements for the order of a reaction is incorrect? (a) Order can be determined only experimentally. (b) Order is not influenced by stoichiometric coefficient of the reactants. (i) the wavelength is higher For harder X - rays June 26, 2021 Category: Chapter 17 - Chemical Kinetics , Chemistry , NEET [...]

The largest distance between the interatomic planes of crystal is 10 A0. The upper limit for the wavelength of X – rays which can be studied with this crystal is The largest distance between the interatomic planes of crystal is 10 A0. The upper limit for the wavelength of X - rays which can be [...]

Frequencies of Kα X-rays of different materials are measured. Which one of the graphs in figure may represent the relation between the frequency v and the atomic number Z. Frequencies of Kα X-rays of different materials are measured. Which one of the graphs in figure may represent the relation between the frequency v and the [...]

Figure shows the intensity-wavelength relations of X-rays coming from two different Coolidge tube. The solid curve represents the relation for the tube A in which the potential difference between the target and the filament is V_A and the atomic number of the target material is ZA. These quantities are Vβ and Zβ for the other [...]

For harder X – rays, (i) the wavelength is higher (i) the wavelength is higher For harder X - rays June 17, 2021 Category: Cengage NEET by C.P Singh , Chapter 13 - X Rays , Part 2 ,