List of top Chemistry Questions

Given below are two statements :
Statement I : [Co(NH₃)₆] ³⁺ is a homoleptic complex whereas [Co(NH₃)4Cl₂] ⁺ is a heteroleptic complex. 
Statement II : Complex [Co(NH₃)₆] ³⁺ has only one kind of ligands but [Co(NH₃)₄Cl₂] ⁺ has more than one kind of ligands. 
In the light of the above statements, choose the correct answer from the options given below

In which of the following equilibria, K_p and K_e are NOT equal?

A compound with a molecular formula of C₆H₁₄ has two tertiary carbons. Its IUPAC name is:

The compound that will undergo S_N1 reaction with the fastest rate is

Match List I with List II

List-I (Complex)		List-II (Type of isomerism)
(A)	[Co(NH3)5(NO2)]Cl2	(I)	Solvate isomerism
(B)	[Co(NH3)5(SO4)]Br	(II)	Linkage isomerism
(C)	[Co(NH3)6] [Cr(CN)6]	(III)	Ionization isomerism
(D)	[Co(H2O)6]Cl3	(IV)	Coordination isomerism

Choose the correct answer from the options given below:

The highest number of helium atoms is in

The pair of Lanthanoid ions which are diamagnetic is

Among Group 16 elements, which one does NOT show -2 oxidation state?

The energy of an electron in the ground state (n=1) for He⁺ ion is -xJ, then that for an electron in n=2 state for Be³⁺ ion in J is:

Which reaction is NOT a redox reaction?

Which one of the following alcohols reacts instantaneously with Lucas reagent?

Given below are two statements:
Statement I: Both [Co(NH₃)₆]³⁺ and [CoF₆]^3- complexes are octahedral but differ in their magnetic behaviour.
Statement II: [Co(NH₃)₆]³⁺ is diamagnetic whereas [CoF₆]^3- is paramagnetic.
In the light of the above statements, choose the correct answer from the options given below:

Identify the incorrect statement about PCl₅:

Choose the correct statement for the work done in the expansion and heat absorbed or released when 5 litres of an ideal gas at 10 atmospheric pressure isothermally expands into vacuum until volume is 15 litres :

Which of the following is not an ambidentate ligand?

Match List-I with List-II :

List - I(Atom/Molecule)	List - II(Property)
(A) Nitrogen atom	(I) Paramagnetic
(B) Fluorine molecule	(II) Most reactive element in group 18
(C) Oxygen molecule	(III) Element with highest ionisation enthalpy in group 15
(D) Xenon atom	(IV) Strongest oxidising agent

Identify the correct answer from the options given below :

The decreasing order of atomic radii (pm) of \( \text{Li}, \, \text{Be}, \, \text{B}, \, \text{C} \) is:

Select the incorrect reaction among the following:

Which of the following pairs of ions will have same spin only magnetic moment values within the pair?
A. Zn²⁺, Ti²⁺
B. Cr²⁺, Fe²⁺
C. Ti³⁺, Cu²⁺
D. V²⁺, Cu⁺
Choose the correct answer from the options given below:

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

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 :

The major product D formed in the following reaction sequence is:

Given below are two statements:
Statement I: Propene on treatment with diborane gives an addition product with the formula \(((\text{CH}_3)_2 - \text{CH}_3\text{B})\).
Statement II: Oxidation of \(((\text{CH}_3)_2 - \text{CH}_3\text{B})\) with hydrogen peroxide in presence of NaOH gives propan-2-ol.
In the light of the above statements, choose the most appropriate answer from the options given below:

Ethylene diaminetetraacetate ion is a/an: