List of top Chemistry Questions

If an endothermic reaction is non-spontaneous at freezing point of water and becomes feasible at its boiling point, then
At constant T and P, which one of the following statements is correct for the reaction.
\(\text{CO}(g) + \frac{1}{2} \text{O}_2 \rightarrow \text{CO}_2(g)?\)
Hydrogen bonding is maximum in
One mole of oxygen gas at STP is equal to
Mean distance between atoms in the range of
The correct sequence which shows decreasing order of the ionic radii of the elements is
The hybridization of NH3 and NO2-
IUPAC name of element having atomic number 108 is
The nature of positive rays depends on
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 first ionization enthalpies 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 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 $Al(OH)_3 = 2.4 \times 10^{-24}$ :