List of top Chemistry Questions

The correct order of N-compounds in its decreasing order of oxidation states is
Which of the following statements is not true for halogens ?
Which of the following oxides is most acidic in nature ?
Which one of the following elements is unable to form MF63-ion ?
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 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)
The correct order of atomic radii in group 13 elements is
Considering Ellingham diagram, which of the following metals can be used to reduce alumina ?
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 ?

Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R
Assertion (A): \([SiF_6]^{2-}\) is formed but \([SiCl_6]^{2-}\) is not 

Reason (R): Electronegativity \((EN)\) of \(F\) is higher than \(EN\) of \(Cl\)

In the light of the above statements, choose the correct answer from the options given below

Conversion of hexane into benzene involves the reaction of
Which among the following metals crystallise as a simple cube ?
What are the products of auto-photolysis of water?
What is the oxidation number of gold in the complex ${[AuCl_4]^{1-}}$ ?
The IUPAC name of $[Co(NH_3)_4 Cl(NO_2)]Cl$ is
The electronic configuration of transition element "X", is +3, oxidation state is $ {[Ar] 3d^5}$. What is its atomic number ?
Identify the reaction in which monobasic and dibasic acids are formed
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 ?