\( \mathrm{H}_{2} \mathrm{O}_{2} \) cannot oxidise

Which of the following is an example of homogeneous catalysis?

In which of the following, \(\mathrm{NH}_{3}\) is not used?

The type of linkage present between nucleotides is

IUPAC name of the compound

If a didentate ligand ethane-1, 2-diamine is progressively added in the molar ratio en : \(\mathrm{Ni}\) \(:: 1: 1,2: 1,3: 1\) to \(\left[\mathrm{Ni}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+}\) aq solution, following co-ordination entities are formed.
I. \(\left[\mathrm{Ni}\left(\mathrm{H}_2 \mathrm{O}\right)_4 \mathrm{en}\right]^{2+}(a q)-\) pale blue
II. \(\left[\mathrm{Ni}\left(\mathrm{H}_2 \mathrm{O}\right)_2(\mathrm{en})_2\right]^{2+}(a q)-\) blue/purple
III. \(\left[\mathrm{Ni}(\mathrm{en})_3\right]^{2+}(\mathrm{aq})\) - violet
The wavelength in \(\mathrm{nm}\) of light absorbed in case of I and III are respectively

Which of the following is the correct electron dot structure of \( \mathrm{N}_{2} \mathrm{O} \) molecule ?

The length of the subtangent to the curve \(x^{2} y^{2}=a^{4}\) at \((-a, a)\) is

When Escherichia coli cells are cultured in a medium where Lactose is absent, the 'i' gene of Lac Operon continues to produce repressor mRNA, because it is

Current in a coil changes from \(4 \mathrm{~A}\) to zero in \(0.1 \mathrm{~s}\) and the emf induced is \(100 \mathrm{~V}\). The self inductance of the coil is

The equation of the normal to the curve \( y\left(1+x^{2}\right)=2-x \) where the tangent crosses \( x \)-axis is

If \(A=\left[\begin{array}{cc}2-k & 2 \\ 1 & 3-k\end{array}\right]\) is singular matrix, then the value of \(5 k-k^2\) is equal to

Injection of an antidote against snake-bite is an example of