For the reaction,
\(2 \mathrm{MnO}_4^{-}+b \mathrm{C}_2 \mathrm{O}_4^{2-}+c \mathrm{H}^{+} \rightarrow x \mathrm{Mn}^{2+}+y \mathrm{CO}_2+z \mathrm{H}_2 \mathrm{O}\)

Find \(b, c, x, y\) and \(z\)

Which one of the following structures in Column I does not have the correct IUPAC name as given in Column II.
\(\begin{array}{|c|l|l|} \hline \text { S.No. } & \text { Structure } & \text { IUPAC name. } \\ \hline \text { A } & {\left[\mathrm{CoBr} r_2(\mathrm{en})_2\right] \mathrm{Cl}} & \text { Dibromidodi-( ethan-1, 2 - diamine)cobalt (III) chloride } \\ \hline \text { B } & \mathrm{Na}\left[\mathrm{PtBrCl}\left(\mathrm{NO}_2\right)\left(\mathrm{NH}_3\right)\right] & \text { Sodium amminebromidochloridonitrito- N- palatinate(II) } \\ \hline \text { C } & {\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_2\left(\mathrm{NH}_3\right)_4 \mathrm{Cl}\right] \mathrm{SO}_4} & \text { Tetraamminediaquachloridochromium (III) sulphate. } \\ \hline \text { D } & {\left[\mathrm{Pt}\left(\mathrm{NH}_3\right)_4\right]\left[\mathrm{PtCl}_4\right]} & \text { Tetraammineplatinum (II) tetrachloridoplatinate (II) } \\ \hline \end{array}\)

The chemical equilibrium of a reversible reaction is not influenced by

For all gases, at any given pressure, the graph of volume \(v s\) temperature (in celsius) is a straight line. This graph is called

Arrange the following in the decreasing order of their \(\mathrm{pK}_{\mathrm{a}}\) values.

In acetylene molecule, between the carbon atoms there are

The density of a gas \(A\) is thrice that of a gas \(B\) at the same temperature. The molecular weight of gas \(B\) is twice that of \(A\). What will be the ratio of pressure acting on \(B\) and \(A\) ?

An ideal diode is connected in series with a capacitor. The free ends of the capacitor and the diode are connected across a \(220 \mathrm{~V}\) ac source. Now the potential difference across the capacitor is :

Identify the correct IUPAC name of the following compound.
\(\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CN}\)

Two identical conducting balls having unequal positive charges \(q_1\) and \(q_2\) are separated by a distance \(r\). If they are made to touch each other and then separated to the same distance, the force between them will be

If \({ }^{10} C_x={ }^{10} C_4\) then the value of \(x\) is

If \(y=x+e^x\) then \(\dfrac{d^2 x}{d y^2}=\)

What is the minimum wavelength of radiation required to detect a p-n junction diode made of a semiconductor having band gap 3.3 eV.
[Planck's constant \(h = 6.6 \times 10^{34}\ J.s\)]