Chemistry

The magnitude of work done by a gas that undergoes a reversible expansion along the path $ABC$ $$ shown in the figure is Pressure

What would be the electrode potential for the given half cell reaction at $\mathrm{p}\mathrm{H}=5$ $$ ? 

The number of chiral centres in penicillin is 

The volume (in $\mathrm{m}\mathrm{L}$ ) of $0.125\mathrm{M}{\mathrm{A}\mathrm{g}\mathrm{N}\mathrm{O}}_3$ ${}_{}$ required to quantitatively precipitate chloride ions in $0.3\mathrm{g}$ $$ of $\left[\mathrm{C}\mathrm{o}{\left({\mathrm{N}\mathrm{H}}_3\right)}_6\right]{\mathrm{C}\mathrm{l}}_3$ $\left[{\left({}_{}\right)}_{}\right]{}_{}$ is M $\left[\mathrm{C}\mathrm{o}{\left({\mathrm{N}\mathrm{H}}_3\right)}_6{\mathrm{C}\mathrm{l}}_3\right]=267.46\mathrm{g}/\mathrm{m}\mathrm{o}\mathrm{l}$ $\left[{\left({}_{}\right)}_{}{}_{}\right]$

${}^{\mathrm{M}}{\mathrm{A}\mathrm{g}\mathrm{N}\mathrm{O}}_3=169.87\mathrm{g}/\mathrm{m}\mathrm{o}\mathrm{l}$

The first ionization energy (in $\mathrm{k}\mathrm{J}/\mathrm{m}\mathrm{o}\mathrm{l}$  $$ ) of $\mathrm{N}\mathrm{a},\mathrm{M}\mathrm{g},\mathrm{A}\mathrm{l}$ $$ and Si respectively, are :

The number of bonds between sulphur and oxygen atoms in ${\mathrm{S}}_2{\mathrm{O}}_8^{-}$ ${}_{}{}_{}^{}$ and the number of bonds between sulphur and sulphur atoms in rhombic sulphur, respectively, are :

For the Balmer series in the spectrum of $$ $\mathrm{H}$ atom, $\bar{v}={\mathrm{R}}_{\mathrm{H}}\left\{\frac{1}{{\mathrm{n}}_1^2}-\frac{1}{{\mathrm{n}}_2^2}\right\}$ $\stackrel{}{}{}_{}\left\{\frac{}{{}_{}^{}}\frac{}{{}_{}^{}}\right\}$ the correct statements among (I) to (IV) are :

(I) As wavelength decreases, the lines in the series converge

(II) The integer $\mathrm{n}1$ $$ is equal to 2

(III) The lines of longest wavelength corresponds to $n_2=3$ ${}_{}$

(IV) The ionization energy of hydrogen can be calculated from wave number of these lines

The strength of an aqueous $$ $\mathrm{N}\mathrm{a}\mathrm{O}\mathrm{H}$ solution is most accurately determined by titrating : (Note : consider that an appropriate indicator is used)

The rate of a certain biochemical reaction at physiological temperature (T) occurs ${10}^6$ ${}^{}$ times faster with enzyme than without. The change in the activation energy upon adding enzyme is :

The stoichiometry and solubility product of a salt with the solubility curve given below is, respectively: