List of top Chemistry Questions asked in NEET (UG)

Compound A, C8H10O, is found to react with NaOI (produced by reacting Y with NaOH) and yields a yellow precipitate with characteristic smell.
A and Y are respectively
The correct order of N-compounds in its decreasing order of oxidation states is
Which of the following statements is not true for halogens ?
Regarding cross-linked or network polymers, which of the following statements is incorrect ?
Which of the following oxides is most acidic in nature ?
Which one of the following elements is unable to form MF63-ion ?
Nitration of aniline in strong acidic medium also gives m-nitroaniline because
Considering Ellingham diagram, which of the following metals can be used to reduce alumina ?
The solubility of BaSO4 in water is 2·42 × 10-3 gL-1 at 298K. The value of its solubility product (Ksp) will be (Given molar mass of BaSO4 = 233 g mol-1)
In the structure of ClF3 , the number of lone pairs of electrons on central atom ‘Cl’ is
On which of the following properties does the coagulating power of an ion depend ?
The correct order of atomic radii in group 13 elements is
Given van der Waals constant for NH3, H2, O2 and CO2 are respectively 4.17, 0.244, 1.36 and 3.59, which one of the following gases is most easily liquefied ?
In the reaction ..... the electrophile involved is
The type of isomerism shown by the complex $[CoCl_2(en)_2]$ 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 carbocations is expected to be most stable ?
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 $)$
The compound $C_7H_8$ undergoes the following reactions: $ { C_7H_8 ->[3 \, Cl_2 / \Delta] A ->[Br_2 /Fe] B ->[Zn / HCl ] C }$ The product ??$C$ ' is
The compound $A$ on treatment with $Na$ gives $B$ , and with $PCl_5$ gives $C. B$ and $C$ react together to give diethyl ether. $A, B$ and $C$ are in the order
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 $\sqrt{15} B.M$
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 $BaSO _{4}=233 \,g\, mol ^{-1}$ )