List of top Chemistry Questions asked in NEET (UG)

Which of the following is secondary pollutant?
Which oxide of nitrogen is not a common pollutant introduced into the atmosphere both due to natural and human activity ?
The two functional groups characteristic of sugars are
On which of the following properties does the coagulating power of an ion depend ?
Considering Ellingham diagram, which of the following metals can be used to reduce alumina ?
In which case is the number of molecules of water maximum ?
In the reaction ..... the electrophile involved is
Iron carbonyl, $Fe(CO)_5$ is
Which of the following oxides is most acidic in nature ?
Magnesium reacts with an element $(X)$ to form an ionic compound. If the ground state electronic configuration of $( X )$ is $1 s ^{2} 2 s ^{2} 2 p ^{3}$, the simplest formula for this compound is
Which of the following molecules represents the order of hybridisation $sp^2 , sp^2, sp, sp$ from left to right atoms ?
Which of the following is correct with respect to $- I$ effect of the substituents ? $(R =$ alkyl $)$
Match the metal ions given in Column I with the spin magnetic moments of the ions given in Column II and assign the correct code :
Column I Column II
a. $Co^{3+}$ i. $\sqrt{8} B.M$
b. $Cr^{3+}$ 11. $\sqrt{35} B.M$
c. $Fe^{3+}$ iii. $\sqrt{3} B.M$
d $Ni^{2+}$ iv $\sqrt{24} B.M$
v $\sqrt{15} B.M$
Which one of the following ions exhibits $d-d$ transition and paramagnetism as well ?
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
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
Pick out the correct statement with respect to $[Mn(CN)_6]^{3-}$ :
With respect to the conformers of ethane, which of the following statements is true?
Which of the following pairs of compounds is isoelectronic and isostructural ?
HgCl2 and I2 both when dissolved in water containing I– ions the pair of species formed is