List of top Chemistry Questions asked in NEET (UG)

Hydrolysis of sucrose is given by the following reaction.
 \(Sucrose + H_20 \rightleftharpoons Glucose + Fructose\) 
If the equilibrium constant \((K_c)\) is \(2 \times 10^{13}\) at 300K, the value of \(\Delta_r\) \(G^\ominus\) at the same temperature will be :

Which of the following set of molecules will have zero dipole moment?

Identify the incorrect statement.

Match the following and identify the correct option

A	\(CO(g)+H_2 (g)\)	I	\(Mg(HCO_3 )_2+ Ca(HCO_3 )_2\)
B	Temporary hardness of water	II	An electron deficient hydride
C	\(B_2H_6\)	III	Synthesis gas
D	\(H_2O_2\)	IV	Non-planar structure

For the reaction, \(2Cl(g) → Cl_2 (g)\), the correct option is :

Measuring Zeta potential is useful in determiningwhich property of colloidal solution ?

An alkene on ozonolysis gives methanal as one of the product. Its structure is :

The following metal ion activates many enzymes, participates in the oxidation of glucose to produce ATP and with Na, is responsible for the transmission of nerve signals.

The freezing point depression constant (\(K_f \)) of benzene is \(5.12 K\ kg\ mol^{−1}\). The freezing point depression for the solution of molality \(0.078\ m\) containing a non-electrolyte solute in benzene is (rounded off upto two decimal places) :

Which of the following amine will give the carbylamine test ?

Elimination reaction of 2-Bromo pentane to form pent-2-ene is :

Which of the following is the correct order of increasing field strength of ligands to form coordination compounds ?

Which of the following is not correct about carbonmonoxide ?

Identify the correct statement from the following :

Paper chromatography is an example of :

Identify the incorrect match.

Name		IUPAC Official Name
A	Unnilunium	I	Mendelevium
B	Unniltrium	II	Lawrencium
C	Unnilhexium	III	Seaborgium
D	Unununnium	IV	Darmstadtium

Reaction between acetone and methylmagnesium chloride followed by hydrolysis will give :

Identify compound \(X\) in the following sequence of reactions :

Which of the following is a natural polymer?

Anisole on cleavage with HI gives :

The rate constant for a first order reaction is $4.606 \times 10^{-3} s^{-1}$. The time required to reduce $2.0\,g$ of the reactant to $0.2\,g$ is :

Match the following

Oxide		Nature
(a)	CO	(ii)	Neutral
(b)	BaO	(i)	Basic
(c)	\(Al_{2}O_{3}\)	(iv)	Amphoteric
(d)	\(Cl_{2}O_{7}\)	(iii)	Acidic

Which of the following is correct option ?

Urea reacts with water to form $A$ which will decompose to form $B$. $B$ when passed through $Cu^{2+}(aq)$, deep blue colour solution C is formed. What is the formula of C from the following

What is the change in oxidation number of carbon in the following reaction? 
\(CH_4(g) + 4Cl_2 (g) \rightarrow CCl_4(l) + 4HCl (g)\)

Which one of the followings has maximum number of atoms ?