List of top Chemistry Questions asked in NEET (UG)

The solubility of $BaSO _{4}$ in water is $2.42 \times 10^{-3}\, gL ^{-1}$ at $298 \,K$. The value of its solubility product $\left( K _{ sp }\right)$ will be (Given molar mass of $BaSO _{4}=233 \,g\, mol ^{-1}$ )
Given van der Waals constant for $NH _{3}, H _{2}, O _{2}$ and $CO _{2}$ are respectively $4.17, 0.244, 1.36$ and $3.59$, which one of the following gases is most easily liquefied?
Consider the change in oxidation state of Bromine corresponding to different emf values as shown in the diagram below : is Then the species undergoing disproportionation is
The geometry and magnetic behaviour of the complex $[Ni(CO)_4]$ are
Which of the following statements is not true for halogens?
Which of the following oxides is most acidic in nature ?
Carboxylic acids have higher boiling points than aldehydes, ketones and even alcohols of comparable molecular mass. It is due to their
Consider the following species : $CN^{+} , CN^{-} , NO $ and $CN$ Which one of these will have the highest bond order ?
In the structure of \({ClF_3}\), the number of lone pairs of electrons on the central atom \(Cl\) is:
Which one is a wrong statement ?
Iron exhibits $bcc$ structure at room temperature. Above $900^{\circ}C$, it transforms to fee structure. The ratio of density of iron at room temperature to that at $900^{\circ}C$ (assuming molar mass and atomic radii of iron remains constant with temperature) is
Which one is the most acidic compound?
The correct statement regarding electrophile is
If molality of the dilute solution is doubled, the value of molal depression constant (Kf) will be
The heating of phenyl-methyl ethers with HI produces.
Ionic mobility of which of the following alkali metal ions is lowest when aqueous solution of their salts are put under an electric field?
The reason for greater range of oxidation states in actinoids is attributed to
Which one of the following pairs of species have the same bond order?
Name the gas that can readily decolourises acidified KMnO4 solution:
Correct increasing order for the wavelengths of absorption in the visible region for the complexes of Co3+ is
In which pair of ions both the species contain S – S bond?
Which of the following reactions is appropriate for converting acetamide to methanamine?
The correct increasing order of basic strength for the following compounds is
The correct increasing order of basic strength for the following compounds is
The correct order of the stoichiometries of \(AgCl\) formed when \(AgNO_3\) in excess is treated with the complexes : \(CoCl_3.6NH_3, CoCl_3.5NH_3, CoCl_3.4NH_3\) respectively is
Which of the following is dependent on temperature?