200 ml of an aqueous solution contains 3.6 g of Glucose and 1.2 g of Urea maintained at a temperature equal to 27$^{\circ}$C. What is the Osmotic pressure of the solution in atmosphere units?
Given Data R = 0.082 L atm K$^{-1}$ mol$^{-1}$
Molecular Formula: Glucose = C$_6$H$_{12}$O$_6$, Urea = NH$_2$CONH$_2$

An inorganic compound W undergoes the following reactions: $ W + \text{Na}_2\text{CO}_3 \xrightarrow{\text{O}_2 / \text{heat}} X + H^+ \xrightarrow{} Y(s) $ $ Y(aq) + \text{KCl} (aq) \xrightarrow{} Z(s) $ Z appears in the form of orange crystals and is used as an oxidising agent in acid medium. Identify the compound W.

Which of the following do not show geometrical isomerism? (Assume all ligands are unidentate)

Which of the following are ambident nucleophiles?
[A.] CN$^{\,-}$
[B.] CH$_{3}$COO$^{\,-}$
[C.] NO$_{2}^{\,-}$
[D.] CH$_{3}$O$^{\,-}$
[E.] NH$_{3}$

The correct sequence of enzymes involved in the commercial production of ethanol by fermentation from sugar is:

At 298 K, the ionization constant of $ {CN}^- $ is $ 2.08 \times 10^{-6} $. What is the ionization constant of its conjugate acid? (Given $ K_w = 10^{-14} $)

At 27°C, 100 mL of 0.4 M HCl is mixed with 100 mL of 0.5 M NaOH. To the resultant solution, 800 mL of distilled water is added. What is the pH of the final solution?

Which of the following oxides is acidic in nature?

Lewis concept does explain the behaviour of

Which is the strongest acid?

Derive an expression for maximum work obtainable during isothermal reversible expansion of an ideal gas from initial volume $ V_1 $ to final volume $ V_2 $.

A current of 3.0 A is passed through 750 ml of 0.45 M solution of CuSO₄ for 2 hours with a current efficiency of 90\%. If the volume of the solution is assumed to remain constant, what would be the final molarity of CuSO₄ solution?

If the unit of the rate constant is $ \text{mol} \, (\text{dm}^{-3} \text{s}^{-1}) $, the order of the reaction would be ____________.

The major product D formed in the following reaction sequence is: