List of top Chemistry Questions asked in NEET (UG)

Which is the correct statement for the given acids ?
Magnetic moment 2.84 B.M. is given by (At. nos, Ni=28, Ti=22, Cr=24, Co=27)
$20.0 \,g$ of a magnesium carbonate sample decomposes on heating to give carbon dioxide and $8.0 \,g$ magnesium oxide. What will be the percentage purity of magnesium carbonate in the sample ?
The variation of the boiling points of the hydrogen halides is in the order $HF > HI > HBr > HCl$. What explains the higher boiling point of hydrogen fluoride ?

The vacant space in bcc lattice unit cell is:

Which of the statements given below is incorrect ?
On heating which of the following releases ${CO_2}$ most easily ?
Reaction of carbonyl compound with one of the following reagents involves nucleophilic addition followed by elimination of water. The reagent is :
The correct bond order in the following species is :
The boiling point of 0.2 mol kg$^{-1}$ solution of X in water is greater than equimolal solution of Y in water. Which one of the following statements is true in this case ?
The angular momentum of electron in 'd' orbtial is equal to
Solubility of the alkaline earth?? metal sulphates in water decreases in the sequence :
The reaction is called :
What is the mass of the precipitate formed when 50 mL of 16.9% solution of $AgNO_3$ is mixed with 50 mL of 5.8% $NaCl$ solution ? (Ag = 107.8, N = 14, O = 16, Na = 23, Cl =35.5)
Rachel Carson's famous book 'Silent Spring ' is related to
Which of the following pairs of ions are isoelectronic and isostructural ?
Which of the following options represents the correct bond order ?
Decreasing order of stability of $O_2, O^-_2, O_2^+ $ and ${ O_2^{2-}}$ is :
In which of the following pairs, both the species are not isostructural ?
A gas such as carbon monoxide would be most likely to obey the ideal gas law at :
Assuming complete ionization, same moles of which of the following compounds will require the least amount of acidified ${KMnO4}$ for complete oxidation ?
The number of water molecules is maximum in :
If avogadro number $N_A$, is changed from ${6.022 \times 10^{23} \, mol^{-1} }$ to ${6.022 \times 10^{20} \, mol^{-1} }$ , this would change :
Aqueous solution of which of the following compounds is the best conductor of electric current?
A mixture of gases contains $H_2$ and $O_2$ gases in the ratio of 1 : 4 (w/w). What is the molar ratio of the two gases in the mixture?