Which one of the following is not correct?

In which of the following options order of arrangement does not agree with the variation of property indicated against it?

The elevation in the boiling point of an aqueous solution of $\mathrm{NaCl}$ is $0.01°\mathrm{C}$. If its van't Hoff factor is $1.92,$ the molality of $\mathrm{NaCl}$ solution is ___$({\mathrm{K}}_{\mathrm{b}}$ for water $=0.52 \mathrm{K} \mathrm{kg} {\mathrm{mol}}^{-1})$

Which of the following are disproportionation reactions?
\((\mathrm{g}=\sigma, l=(ద, \mathrm{aq}=\text { జe, } \mathrm{s}=\text { ఘ) }\)
(A) \(2 \mathrm{NO}_{2(\mathrm{~g})}+2 \mathrm{NaOH}_{(\mathrm{aq})} \rightarrow \mathrm{NaNO}_{2(\mathrm{aq})}+\mathrm{NaNO}_{3(\mathrm{aq})}+\mathrm{H}_2 \mathrm{O}_{(l)}\)
(B) \(\mathrm{Cl}_{2(\mathrm{~g})}+2 \mathrm{NaOH}_{(\mathrm{aq})} \rightarrow \mathrm{NaClO}_{(\mathrm{aq})}+\mathrm{NaCl}_{(\mathrm{aq})}+\mathrm{H}_2 \mathrm{O}_{(\mathrm{l})}\)
(C) \(3 \mathrm{ClO}^{-} \rightarrow 2 \mathrm{Cl}^{-}+\mathrm{ClO}_3^{-}\)
(D) \(3 \mathrm{Mg}_{(\mathrm{s})}+\mathrm{N}_{2(\mathrm{~g})} \rightarrow \mathrm{Mg}_3 \mathrm{~N}_{2(\mathrm{~s})}\)

At \(T(\mathrm{~K})\), the vapour pressure of pure benzene is 0.85 bar. A non-volatile, non-electrolyte substance weighing \(0.5 \mathrm{~g}\) when added to \(39 \mathrm{~g}\) of benzene, the vapour pressure of the solution is 0.845 bar. The molar mass (in \(\mathrm{g} \mathrm{mol}^{-1}\) ) of the substance is

The quantity of \(\mathrm{CO}_2\) in \(500 \mathrm{~mL}\) of soda water when packed under 3.34 bar \(\mathrm{CO}_2\) pressure at \(298 \mathrm{~K}\) in \(\mathrm{g}\) is

The correct order of oxidizing power of the given ions is

In S.I. system, the total energy of the free surface of a liquid drop is \(2 \pi\) times the surface tension of the liquid. The diameter of the drop is __________ .

If 4 moles of an ideal monoatomic gas at temperature \(400 \mathrm{~K}\) is mixed with 2 moles of another ideal monoatomic gas at temperature \(700 \mathrm{~K}\), the temperature of the mixture is

Let $x$ and $y$ be the sides of two squares such that $y=x-x^2$. The rate of change of area of the second square with respect to the area of the first square is

If \(\omega\) is a complex cube root of unity and \(a, b, c\) are distinct real numbers, then
\[
\frac{a+b \omega+c \omega^2}{c+a \omega+b \omega^2}+\frac{a+b \omega+c \omega^2}{b+c \omega+a \omega^2}=
\]

A Young double slit experimental setup is immersed in water of refractive index $1.33 .$ It has slit separation $1 \mathrm{mm}$ and the distance between slits and screen is $1.33 \mathrm{m}$. If the wavelength of incident light on slits is $6300 \mathrm{A}$ then the fringe width on screen is

Statement I: Boron does not exhibit allotropy
Statement II: Boron is extremely hard and black coloured solid