List of top Chemistry Questions

The hybridization of NH₃ and NO₂^-

IUPAC name of element having atomic number 108 is

Mean distance between atoms in the range of

Among the following species, the diamagnetic molecule is

The product formed in the reaction of cumene with $O_2$ followed by treatment with dil. $HCl$ are :

Which is the most suitable reagent for the following transformation ?

The transition element that has lowest enthalpy of atomisation, is :

The correct order of the spin-only magnetic moment of metal ions in the following low spin complexes, ${[V(CN)_6]^{4-}, [Fe(CN)6]^{4-}, [Ru (NH3)6]^{3+},}$ and ${[Cr(NH3)6]^{2+}}$, is :

The correct order of the first ionization enthalpies is:

The statement that is INCORRECT about the interstitial compounds is :

Among the following compounds most basic amino acid is :

Amylopectin is composed of :

Glucose and Galactose are having identical configuration in all the positions except position.

Which of the following statements is not true about RNA?

What is the IUPAC name of the following compound ?

Which of the following compounds will show the maximum enol content?

The IUPAC name of the following compound is:

Consider the following reversible chemical reactions : ${A_2(g) + Br_2 (g) <=>[K_1] 2AB(g) }$ ....(1) ${ 6AB(g) <=>[K_2] 3A_2 (g) + 3B_2(g) }$ ...(2) The relation between $K_1$ and $K_2$ is :

What is the molar solubility of $Al(OH)_3$ in $0.2\, M\, NaOH$ solution ? Given that, solubility product of $Al(OH)_3 = 2.4 \times 10^{-24}$ :

Which amongst the following is the strongest acid ?

$5$ moles of $AB_2$ weigh $125 \times 10^{-3}\; kg$ and $10$ moles of $A_2B_2$ weigh $300 \times 10^{-3} \; kg$. The molar mass of $A(M_A)$ and molar mass of $B(M_B) $ in $kg\, mol^{-1}$ are :

$50\, mL$ of $0.5\, M$ oxalic acid is needed to neutralize $25\, mL$ of sodium hydroxide solution. The amount of $NaOH$ in $50\, mL$ of the given sodium hydroxide solution is :

For a reaction, $N_2(g) + 3H_2(g) \rightarrow 2NH_3(g)$; identify dihydrogen $(H_2)$ as a limiting reagent in the following reaction mixtures.

During compression of a spring the work done is $10\,kJ$ and $2\,kJ$ escaped to the surroundings as heat. The change in internal energy, $\Delta\, U(in\,kJ)$ is: