The sum of oxidation states of two silver ions in \(\left[\mathrm{Ag}\left(\mathrm{NH}_{3}\right)_{2}\right]\left[\mathrm{Ag}(\mathrm{CN})_{2}\right]\) complex is .... .

The Born-Haber cycle for \(\mathrm{KCl}\) is evaluated with the following data : \(\Delta_{f} \mathrm{H}^{\ominus}\) for \(\mathrm{KCl}=-436.7 \,\mathrm{~kJ}\, \mathrm{~mol}^{-1}\) \(\Delta_{\text {sub }} \mathrm{H}^{\ominus}\) for \(\mathrm{K}=89.2 \,\mathrm{~kJ}\, \mathrm{~mol}^{-1}\) \(\Delta_{\text {ionization }} \,\mathrm{H}^{-}\) for \(\mathrm{K}=419.0\, \mathrm{~kJ}\, \mathrm{~mol}^{-1}\) \(\Delta_{\text {electron gain }} \mathrm{H}^{\ominus}\) for \(\mathrm{Cl}_{(\text {e) }}=-348.6 \,\mathrm{~kJ} \,\mathrm{~mol}^{-1}\) \(\Delta_{\mathrm{bond}} \mathrm{H}^{-}\) for \(\mathrm{Cl}_{2}=243.0 \,\mathrm{~kJ} \,\mathrm{~mol}^{-1}\) The magnitude of lattice enthalpy of \(\mathrm{KCl}\) in \(\mathrm{kJ} \mathrm{mol}^{-1}\) is ..... . (Nearest integer)

Two monomers in maltose are

The Spin only magnetic moment value of square planar complex \(\left[\mathrm{Pt}\left(\mathrm{NH}_3\right)_2 \mathrm{Cl}\left(\mathrm{NH}_2 \mathrm{CH}_3\right)\right] \mathrm{Cl}\) is \(B.M.\) (Nearest integer) (Given atomic number for \(\mathrm{Pt}=78\)

Combustion of glucose \(\left(\mathrm{C}_6 \mathrm{H}_{12} \mathrm{O}_6\right)\) produces \(\mathrm{CO}_2\) and water. The amount of oxygen (in \(\mathrm{g}\) ) required for the complete combustion of \(900 \mathrm{~g}\) of glucose is _______. [Molar mass of glucose in \(\mathrm{g} \mathrm{mol}^{-1}=180\) ]

The volume (in \(mL\) ) of \(0.1\, N\) \(NaOH\) required to neutralise \(10\, mL\) of \(0.1\, N\) phosphinic acid is........

\(\dot{ Cl }+ CH _{4} \rightarrow A + B\) \(A\) and \(B\) in the above atmospheric reaction step are.

The pair of lanthanides in which both elements have high third-ionization energy is:

What is the standard reduction potential \((E^o)\) for \(Fe^{3+} \to Fe\) ?  ............... \(\mathrm{V}\) Given that : \(F{e^{2 + }} + 2{e^ - } \to Fe;\)      \({E^o}_{F{e^{2 + }}/Fe} =  - 0.47\,V\) \(F{e^{3 + }} + {e^ - } \to F{e^{2 + }};\)   \({E^o}_{F{e^{3 + }}/F{e^{2 + }}} =  + 0.77\,V\)

Thin layer chromatography of a mixture shows the following observation: The correct order of elution in the silica gel column chromatography is

Let \(\theta=\frac{\pi}{5}\) and \(A=\left[\begin{array}{cc}\cos \theta & \sin \theta \\ -\sin \theta & \cos \theta\end{array}\right] \cdot\) If \(B=A + A ^{4},\) then \(\operatorname{det}( B )\)

Primary side of a transformer is connected to \(230 \mathrm{~V}, 50 \mathrm{~Hz}\) supply. Turns ratio of primary to secondary winding is \(10: 1\). Load resistance connected to secondary side is \(46\  \Omega\). The power consumed in it is :

If the coefficients of \(x^{-2}\) and \(x^{-4}\) in the expansion of \({\left( {{x^{\frac{1}{3}}} + \frac{1}{{2{x^{\frac{1}{3}}}}}} \right)^{18}}\,,\,\left( {x > 0} \right),\) are \(m\) and \(n\)  respectively, then \(\frac{m}{n}\) is equal to