List of top Questions asked in NEET (UG)- 2024

The alkane that can be oxidized to the corresponding alcohol by KMnO₄ as per the equation

is, when:

The following reaction method

is not suitable for the preparation of the corresponding haloarene products, due to high reactivity of halogen, when X is :

The ratio of solubility of AgCl in 0.1 M KCl solution to the solubility of AgCl in water is:
(Given: Solubility product of AgCl = 10⁻¹⁰)

Match List-I with List-II :

List - ISolid salt treated with dil. H2SO4	List - IIAnion detected
(A) effervescence of colourless gas	(I) NO2−
(B) gas with smell of rotten egg	(II) CO32−
(C) gas with pungent smell	(III) S2−
(D) brown fumes	(IV) SO23−

Identify the correct answer from the options given below :

The standard cell potential of the following cell Zn|Zn²⁺ (aq)|Fe²⁺(aq)|Fe is 0.32 V. Calculate the standard Gibbs energy change for the reaction:Zn(s) + Fe²⁺(aq) → Zn²⁺(aq) + Fe(s)(Given: 1 F = 96487 C)

Match List-I with List-II :

List - I(Test/reagent)	List - II(Radical identified)
(A) Lake Test	(I) NO3−
(B) Nessler’s Reagent	(II) Fe3+
(C) Potassium sulphocyanide	(III) Al3+
(D) Brown Ring Test	(IV) NH4+

Identify the correct answer from the options given below :

Identify the incorrect statement.

Identify D in the following sequence of reactions:

The oxidation states not shown by Mn in the given reaction is:
\( 3MnO_4^{2-} + 4H^+ \rightarrow 2MnO_4^- + MnO_2 + 2H_2O \)
A. +6
B. +2
C. +4
D. +7
E. +3
Choose the most appropriate answer from the options given below:

Given below are two statements :
Statement I : Glycogen is similar to amylose in its structure.
Statement II : Glycogen is found in yeast and fungi also.
In the light of the above statements, choose the correct answer from the options given below :

A steam volatile organic compound which is immiscible with water has a boiling point of 250°C. During steam distillation, a mixture of this organic compound and water will boil:

1.0 g of H₂ has the same number of molecules as in:

The compound that does not undergo Friedel-Crafts alkylation reaction but gives a positive carbylamine test is :

The major product C in the below mentioned reaction is:

The quantum numbers of four electrons are given below:
I. \( n = 4; l = 2; m_l = -2; s = -\frac{1}{2} \)
II. \( n = 3; l = 2; m_l = 1; s = +\frac{1}{2} \)
III. \( n = 4; l = 1; m_l = 0; s = +\frac{1}{2} \)
IV. \( n = 3; l = 1; m_l = -1; s = +\frac{1}{2} \)
The correct decreasing order of energy of these electrons is:

Which of the following is not an ambidentate ligand?

Match List-I with List-II :

List - I(Block/group in periodic table)	List - II(Element)
(A) Lanthanoid	(I) Ce
(B) d-block element	(II) As
(C) p-block element	(III) Cs
(D) s-block element	(IV) Mn

Identify the correct answer from the options given below :

For the reaction in equilibrium:
N₂(g) + 3H₂(g) ⇌ 2NH₃(g), ΔH = -Q
Reaction is favoured in forward direction by:

Identify the incorrect statement from the following:

The amount of glucose required to prepare 250 mL of \( \frac{M}{20} \) aqueous solution is:
(Molar mass of glucose: 180 g mol^-1)

The UV-visible absorption bands in the spectra of lanthanoid ions are ‘X’, probably because of the excitation of electrons involving ‘Y’. The ‘X’ and ‘Y’, respectively, are :

Select the incorrect reaction among the following:

The correct IUPAC name of the compound

is:

Identify the incorrect statement about PCl₅:

Arrange the following compounds in increasing order of their solubilities in chloroform:
NaCl, CH₃OH, cyclohexane, CH₃CN