Match the following:

The correct answer is

Identify the correct statements from the following: (i) A closed vessel containing \(90 \% \mathrm{CO}_2\) and \(10 \% \mathrm{O}_2\) is an aerosol. (ii) Milk is an emulsion. (iii) Smoke is an aerosol. (iv) Peptísation is a method of purification of colloidal solution. (v) Ultrafilteration is a method of purification of colloidal solution.

Which of the following is a pair of functional isomers?

The average kinetic energy of one molecule of an ideal gas at \(27^{\circ} \mathrm{C}\) and \(1 \mathrm{~atm}\) pressure is

Boron halides behave as Lewis acids because of their nature.

The hybridisation of Xe and the number of lone pairs of electrons on it in \(\mathrm{XeF}_6\) are

The number of no bond resonance structures possible for but-1-ene and a \(3^{\circ}\) carbocation having methyl, ethyl and isobutyl groups on cationic carbon respectively are

Two tangent galvanometers \(A\) and \(B\) have coils of radii \(8 \mathrm{~cm}\) and \(16 \mathrm{~cm}\) respectively and having resistance of \(8 \Omega\) each. They are connected in parallel with a cell of emf \(4 \mathrm{~V}\) and negligible internal resistance. The deflections produced in the tangent galvanometers \(A\) and \(B\) are \(30^{\circ}\) and \(60^{\circ}\), respectively. If \(A\) has 2 turns, then \(B\) must have

The correct order of the first ionization enthalpies of the following elements is

The property of light that explains the formation of coloured images due to thick lenses is

\[ \begin{aligned} & \text { Given } \mathrm{H}_2(\mathrm{~g})+\frac{1}{2} \mathrm{O}_2(\mathrm{~g}) \rightarrow \mathrm{H}_2 \mathrm{O}(l) ; \Delta \mathrm{H}=-285 \mathrm{~kJ} \ & \mathrm{~N}_2 \mathrm{O}_5(\mathrm{~g})+\mathrm{H}_2 \mathrm{O}(l) \rightarrow 2 \mathrm{HNO}_3(l) ; \Delta \mathrm{H}=-76.6 \mathrm{~kJ} \ & \mathrm{~N}_2(\mathrm{~g})+3 \mathrm{O}_2(\mathrm{~g})+\mathrm{H}_2(\mathrm{~g}) \rightarrow 2 \mathrm{HNO}_3(l) ; \Delta \mathrm{H}=-348.2 \mathrm{~kJ} \ & \text { Calculate the } \Delta \mathrm{H} \text { of } 2 \mathrm{~N}_2(\mathrm{~g})+5 \mathrm{O}_2(\mathrm{~g}) \rightarrow 2 \mathrm{~N}_2 \mathrm{O}_5(\mathrm{~g}) \end{aligned} \] Calculate the \(\Delta \mathrm{H}\) of \(2 \mathrm{~N}_2(\mathrm{~g})+5 \mathrm{O}_2(\mathrm{~g}) \rightarrow 2 \mathrm{~N}_2 \mathrm{O}_5(\mathrm{~g})\).

Let \(g(x)\) be the anti-derivative of \(f(x)\). Then the function for which \(\log _e\left(1+(g(x))^2\right)+c\) is an anti-derivative is]

An open vessel containing air was heated from \(27^{\circ} \mathrm{C}\) to \(727^{\circ} \mathrm{C}\). Some air was expelled. What is the fraction of air remaining in the vessel? (Assume air as an ideal gas)