Among the following set of reactions, the most suitable method for preparing secondary amine is

Identify the incorrect statement regarding acetic acid.

What are the products formed when moist chlorine gas is reacted with hypo?

Among the hydrides of group 16 elements, the hydriae \(\mathrm{X}\) has lowest boiling point and the hydride \(\mathrm{Y}\) has highest boiling point. \(\mathrm{X}\) and \(\mathrm{Y}\) respectively are

For a first order reaction ${\mathrm{t}}_{1/2}$ is $1200 \mathrm{s}.$ The specific rate constant in ${\mathrm{s}}^{-1}$ is

Match the following

Which of the following is not a disproportionation reaction?

If a solute associates in a solvent, its experimentally calculated molar mass using boiling point elevation method will be

With reference to the redox properties of hydrogen peroxide \(\left(\mathrm{H}_2 \mathrm{O}_2\right)\), which of these reactions are feasible? (i) \(2 \mathrm{Fe}^{2+} 2 \mathrm{H}^{+}+\mathrm{H}_2 \mathrm{O}_2 \longrightarrow 2 \mathrm{Fe}^{3+}+2 \mathrm{H}_2 \mathrm{O}\) (ii) \(2 \mathrm{MnO}_4^{-}+6 \mathrm{H}^{+}+5 \mathrm{H}_2 \mathrm{O}_2 \longrightarrow 2 \mathrm{Mn}^{2+}\) \(+8 \mathrm{H}_2 \mathrm{O}+5 \mathrm{O}_2\) (iii) \(2 \mathrm{Fe}^{2+}+\mathrm{H}_2 \mathrm{O}_2 \longrightarrow 2 \mathrm{Fe}^{3+}+2 \mathrm{OH}^{-}\) (iv)\(2 \mathrm{MnO}_4^{-}+3 \mathrm{H}_2 \mathrm{O}_2 \longrightarrow 2 \mathrm{MnO}_2+2 \mathrm{H}_2 \mathrm{O}\) \(+3 \mathrm{O}_2+2 \mathrm{OH}^{-}\)

The sensitivity of a galvanometer is 60 division/A. When a shunt is used, its sensitivity becomes 10 division/A. If the galvanometer is of resistance \(20 \Omega\), the value of shunt used is

\(\int \frac{\sqrt{\cot x}}{\sin x \cos x} d x=-f(x)+c \Rightarrow f(x)\)

Under action of force, a \(2 \mathrm{~kg}\) body moves such that its position \(x\) as function of time \(t\) is given by \(x=\alpha t^2 / 2\), where \(x\) is in metre, \(t\) is in seconds and \(\alpha=1 \mathrm{~m} / \mathrm{s}^2\). The work done by the force in the first two seconds is

The surface tension of the soap water solution is $\frac{1}{10\pi }\mathrm{N} {\mathrm{m}}^{-1}$. The free energy of the surface layer of a soap bubble of diameter $5 \mathrm{mm}$ will be