Consider the given chemical reaction : Product "A" is :

Consider the given reaction, identify the major product P.

Which among the following aldehydes is most reactive towards nucleophilic addition reactions?

The quantity which changes with temperature is :

A sample of $${\mathrm{CaCO}}_3$$ and $${\mathrm{MgCO}}_3$$ weighed $$2.21\mathrm{g}$$ is ignited to constant weight of $$1.152\mathrm{g}$$. The composition of mixture is : (Given molar mass in $$\mathrm{g}{\mathrm{mol}}^{-1}{\mathrm{CaCO}}_3:100,{\mathrm{MgCO}}_3:84$$)

If a substance '$$A$$' dissolves in solution of a mixture of '$$B$$' and '$$C$$' with their respective number of moles as $${\mathrm{n}}_{\mathrm{A}},{\mathrm{n}}_{\mathrm{B}}$$ and $${\mathrm{n}}_{{\mathrm{C}}_3}$$. Mole fraction of $$\mathrm{C}$$ in the solution is

The Molarity (M) of an aqueous solution containing $$5.85\mathrm{g}$$ of $$\mathrm{NaCl}$$ in $$500\mathrm{mL}$$ water is : (Given : Molar Mass $$\mathrm{Na}:23$$ and $$\mathrm{Cl}:35.5{\mathrm{gmol}}^{-1}$$)

Combustion of glucose $$({\mathrm{C}}_6{\mathrm{H}}_{12}{\mathrm{O}}_6)$$ produces $${\mathrm{CO}}_2$$ and water. The amount of oxygen (in $$\mathrm{g}$$) required for the complete combustion of $$900\mathrm{g}$$ of glucose is : [Molar mass of glucose in $$\mathrm{g}{\mathrm{mol}}^{-1}=180$$]

An organic compound has $$42.1\%$$ carbon, $$6.4\%$$ hydrogen and remainder is oxygen. If its molecular weight is 342 , then its molecular formula is :

The number of moles of methane required to produce $$11\mathrm{g}{\mathrm{CO}}_2(\mathrm{g})$$ after complete combustion is : (Given molar mass of methane in $$\mathrm{g}{\mathrm{mol}}^{-1}:16$$ )

Molality $$(\mathrm{m})$$ of $$3\mathrm{M}$$ aqueous solution of $$\mathrm{NaCl}$$ is : (Given : Density of solution $$=1.25\mathrm{g}{\mathrm{mL}}^{-1}$$, Molar mass in $$\mathrm{g}{\mathrm{mol}}^{-1}:\mathrm{Na}-23,\mathrm{Cl}-35.5$$)

The density of '$$x$$' $$\mathrm{M}$$ solution ('$$x$$' molar) of $$\mathrm{NaOH}$$ is $$1.12\mathrm{g}{\mathrm{mL}}^{-1}$$, while in molality, the concentration of the solution is $$3\mathrm{m}$$ ( 3 molal). Then $$x$$ is (Given : Molar mass of $$\mathrm{NaOH}$$ is $$40\mathrm{g}/\mathrm{mol}$$)

We have three aqueous solutions of $\mathrm{NaCl}$ labelled as ' $\mathrm{A}$ ', ' $\mathrm{B}$ ' and ' $\mathrm{C}$ ' with concentration $0.1\mathrm{M}$, $0.01\mathrm{M}$ and $0.001\mathrm{M}$, respectively. The value of van 't Hoff factor(i) for these solutions will be in the order :

A solution of two miscible liquids showing negative deviation from Raoult's law will have :

Identify the mixture that shows positive deviations from Raoult's Law

The solution from the following with highest depression in freezing point/lowest freezing point is

What happens to freezing point of benzene when small quantity of napthalene is added to benzene?

$$0.05\mathrm{M}{\mathrm{CuSO}}_4$$ when treated with $$0.01\mathrm{M}{\mathrm{K}}_2{\mathrm{Cr}}_2{\mathrm{O}}_7$$ gives green colour solution of $${\mathrm{Cu}}_2{\mathrm{Cr}}_2{\mathrm{O}}_7$$. The two solutions are separated as shown below : [SPM : Semi Permeable Membrane] Due to osmosis :

$${\mathrm{A}}_{(\mathrm{g})}\rightleftharpoons {\mathrm{B}}_{(\mathrm{g})}+\frac{\mathrm{C}}{2}(\mathrm{g})$$ The correct relationship between $${\mathrm{K}}_{\mathrm{P}},\alpha$$ and equilibrium pressure $$\mathrm{P}$$ is

For the given reaction, choose the correct expression of $${\mathrm{K}}_{\mathrm{C}}$$ from the following :- $${\mathrm{Fe}}_{(\mathrm{aq})}^{3+}+{\mathrm{SCN}}_{(\mathrm{aq})}^{-}\rightleftharpoons (\mathrm{FeSCN}{)}_{(\mathrm{aq})}^{2+}$$