List of top Chemistry Questions asked in NEET (UG)

Which of the following molecules is non-polar in nature

Which of the following reactions is the metal displacement reaction? Choose the right option.

Match List - I with List - II.  

List - IList - II
(a) 2SO2 (g)+O2 (g) →2SO3(i) Acid rain 
(b)HOCl(g) h\(^\nu\)→OH+Cl(ii) Smog
(c)CaCO3+H2SO4→CaSO4+H2O+CO2(iii)Ozone
(d)NO2(g) \(^{h\nu}\)→NO(g)+O(g)(iv) Tropospheric

Choose the correct answer from the options given below.

The product formed in the following chemical reaction is:

chemical reaction

Which of the following is not correct about carbonmonoxide ?
Reaction between acetone and methylmagnesium chloride followed by hydrolysis will give :
Which of the following is the correct order of increasing field strength of ligands to form coordination compounds ?
Identify the correct statement from the following :
An alkene on ozonolysis gives methanal as one of the product. Its structure is :
If 8 g of a non-electrolyte solute is dissolved in 114 g of n-octane to reduce its vapour pressure to 80%, the molar mass (in g mol-1) of the solute is
[Given that the molar mass of n-octane is 114 g mol-1.]
Match the following and identify the correct option
A\(CO(g)+H_2 (g)\)I\(Mg(HCO_3 )_2+ Ca(HCO_3 )_2\)
BTemporary hardness of waterIIAn electron deficient hydride
C\(B_2H_6\)IIISynthesis gas
D\(H_2O_2\)IVNon-planar structure
Identify the incorrect statement.
Which of the following amine will give the carbylamine test ?
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) :
Identify the incorrect match.

Name

IUPAC Official Name
AUnniluniumIMendelevium
BUnniltriumIILawrencium
CUnnilhexiumIIISeaborgium
DUnununniumIVDarmstadtium
Measuring Zeta potential is useful in determiningwhich property of colloidal solution ?
Elimination reaction of 2-Bromo pentane to form pent-2-ene 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.
Paper chromatography is an example of :
For the reaction, \(2Cl(g) → Cl_2 (g)\), the correct option is :
Identify compound \(X\) in the following sequence of reactions :
Alternative_Text
The calculated spin only magnetic moment of $Cr^{2+}$ ion is :
The number of Faradays(F) required to produce 20g of calcium from molten $CaCl_2$ (Atomic mass of $CaCl_2$ g $mol^{-1}$) is :
Which of the following is a natural polymer?
What is the change in oxidation number of carbon in the following reaction? 
\(CH_4(g) + 4Cl_2 (g) \rightarrow CCl_4(l) + 4HCl (g)\)