Match the following

(a) Pure nitrogen	(i) Chlorine
(b) Haber process	(ii) Sulphuric acid
(c) Contact process	(iii) Ammonia
(d) Deacon's process	(iv) Sodium azide or Barium azide

Which of the following is the correct option ? \((a)\quad (b)\quad  (c) \quad (d)\)

Identify the reaction from following having top position in \(EMF\) series (Std. red. potential) according to their electrode potential at \(298 \;K\).

In the Kjeldahl's method for estimation of nitrogen present in a soil sample, ammonia evolved from \(0.75\, g\) of sample neutralized \(10\, mL\) of \(1\, M \,H_2SO_4.\) The percentage of nitrogen in the soil is

The correct thermodynamic conditions for the spontaneous reaction at all temperatures is

The following solutions were prepared by dissolving \(10\, \mathrm{~g}\) of glucose \(\left(\mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6}\right)\) in \(250 \,\mathrm{ml}\) of water \(\left(\mathrm{P}_{1}\right)\), \(10\, \mathrm{~g}\) of urea \(\left(\mathrm{CH}_{4} \mathrm{~N}_{2} \mathrm{O}\right)\) in \(250\, \mathrm{ml}\) of water \(\left(\mathrm{P}_{2}\right)\) and \(10\, \mathrm{~g}\) of sucrose \(\left(\mathrm{C}_{12} \mathrm{H}_{22} \mathrm{O}_{11}\right)\) in \(250\, \mathrm{ml}\) of water \(\left(\mathrm{P}_{3}\right)\). The right option for the decreasing order of osmotic pressure of these solutions is :

Following solutions were prepared by mixing different volumes of \(NaOH\) and \(HCl\) of different concentrations \((a)\;\;60\; \mathrm{mL} \frac{\mathrm{M}}{10}\; \mathrm{HCl}+40 \;\mathrm{mL} \frac{\mathrm{M}}{10} \;\mathrm{NaOH}\) \((b)\;\;55\; \mathrm{mL} \frac{\mathrm{M}}{10}\; \mathrm{HCl}+45 \;\mathrm{mL} \frac{\mathrm{M}}{10} \;\mathrm{NaOH}\) \((c)\;\;75\; \mathrm{mL} \frac{\mathrm{M}}{5}\; \mathrm{HCl}+25 \;\mathrm{mL} \frac{\mathrm{M}}{5} \;\mathrm{NaOH}\) \((d)\;\;100\; \mathrm{mL} \frac{\mathrm{M}}{10}\; \mathrm{HCl}+100 \;\mathrm{mL} \frac{\mathrm{M}}{10} \;\mathrm{NaOH}\) \(pH\) of which one of them will be equal to \(1\) ?

Which of the following statement is not correct about diborane?

In humans, respiration occurs in the following steps. Arrange these steps in the correct order.
A. Diffusion of \(O _2\) and \(CO _2\) between blood and tissues.
B. Diffusion of \(O _2\) and \(CO _2\) across alveolar membrane.
C. Pulmonary ventilation by which atmospheric air is drawn in and \(CO _2\) rich alveolar air is released out.
D. Cellular respiration.
E. Transport of gases by the blood.
Choose the correct answer from the options given below :

Which of the following statements about the composition of the vapour over an ideal \(1: 1\) molar mixture of benzene and toluene is correct ? Assume that the temperature is constant at \(25\,^o C\). (Given, vapour pressure data at \(25\,^oC\), benzene \(= 12.8\, kPa,\) toluene \(= 3.85 \,kPa)\)

The incorrect statement regarding chirality is :

A selectable marker is used to

In acidic medium, \(H_2O_2\) changes \(Cr_2O_7^{2-}\) to \(CrO_5\) which has two \((-O-O-)\) bonds. Oxidation state of \(Cr\) in \(CrO_5\) is

\(D(+)-\) glucose reacts with hydroxyl amine and yields an oxime. The structure of the oxime would be