>Chemistry

Found 28932 QuestionsSET DEFAULT

Selected Filters

Class

Class 11th
Class 12th

Exams

Subjects

Books

NCERT Chemistry Textbook for Class 11 Part 1
NCERT Chemistry Textbook for Class 11 Part 2
NCERT Chemistry Textbook for Class 12 Part 1

Chapters

Chemical Bonding and Molecular Structure
Coordination compounds
Electrochemistry
Organic Chemistry- Some Basic Principles and Techniques
Redox Reactions
Solutions

Topics

List of top Chemistry Questions

An alkyl halide, $RX$ reacts with $KCN$ to give propane nitrile. $RX$ is

Chemistry
Haloalkanes and Haloarenes

An alcohol $(A)$ on dehydration gives $(B)$ which adds bromine molecule to give $(C). (C)$ on heating with sodamide gives $(D)$ which on hydration in the presence of $Hg^{++}/H_{2}SO_{4}$ gives $(E). E$ on reduction by lithium aluminium hydride gives $(A). (E)$ is also obtained on dry distillation of calcium salt of acetic acid. How many enolisable proton present in the product $(E)$?

Chemistry
Aldehydes, Ketones and Carboxylic Acids

An aldehyde on oxidation gives

Chemistry
Aldehydes, Ketones and Carboxylic Acids

An acidified solution of potassium permanganate oxidizes

Chemistry
d -and f -Block Elements

Amphoteric oxides of Mn and Cr are

Chemistry
d -and f -Block Elements

Amphoteric oxide among the following is -

Chemistry
p -Block Elements

Amongst the following, the strongest base in aqueous medium is _____________ .

Chemistry
Amines

Among the following, the dissociation constant is highest for :

Chemistry
Haloalkanes and Haloarenes

Among the following polymers, the strongest molecular forces are present in

Chemistry
Polymers

Among the following diatomic molecules, the shortest bond length is associated with

Chemistry
Chemical bonding and molecular structure

Among the following isostructural compounds, which one has highest lattice energy ?

Chemistry
Chemical bonding and molecular structure

Among the following compounds which is both paramagnetic and coloured?

Chemistry
coordination compounds

Among the following derivatives of ethane, the one having the highest boiling point is

Chemistry
Haloalkanes and Haloarenes

Among the elements with atomic numbers $9$, $12$, $16$ and $36$ which is highly electropositive?

Chemistry
Classification of elements and periodicity in properties

Among 3d transition series the I.E

Chemistry
d -and f -Block Elements

Among F,Cl,Br and I the lowest ionization potential will be of

Chemistry
p -Block Elements

Ammonium chloride when dissolved in water leads to a cooling sensation. The dissolution of ammonium chloride at constant temperature is accompanied by

Chemistry
Thermodynamics

Ammonia is used in detection of $Cu^{2+}$ ion because

Chemistry
p -Block Elements

Chemistry
General Principles and Processes of Isolation of Elements

Aluminium metal has face centred cubic (f.c.c.) structure. The number of $'Al'$ atoms per unit cell of the lattice is

Chemistry
The solid state

Aluminium reacts with dil, HCl and conc. NaOH solution to liberate the gases respectively

Chemistry
p -Block Elements

Alumina is insoluble in water because

Chemistry
p -Block Elements

Aluminium is most abundant in earth crust, yet it is obtained from bauxite because

Chemistry
General Principles and Processes of Isolation of Elements

Allyl isocyanide contains $\sigma$ and $\pi$ bonds

Chemistry
Chemical bonding and molecular structure

All of the following give orthoboric acid except

Chemistry
p -Block Elements

Prev
1
...
1144
1145
1146
1147
1148
...
1158
Next