List of top Chemistry Questions

Identify the correct statement.
VIA group elements are called
Identify the structure of propyne
functional group indicatesfunctional group indicates
Ethyl alcohol upon oxidation produces
Which of the following are called paraffins?
Ethene and ethyne differ in
Cough Syrup contains
Formulae for Nessler's reagent is:
What is the correct order of acidity of the protons marked A-D in the given compounds?
What is the correct order of acidity
The water quality of a pond was analysed and its BOD was found to be 4. The pond has
Which one of the following reactions does not occur during extraction of copper?

Match List I with List II

List IList II
APhysisorptioniSingle Layer Adsorption
BChemisorptionii20−40kJmol−1
CN2​(g)+3H2​(g)—⇢Fe(s)—⇢​2NH3​(g)iiiChromatography
DAnalytical Application or AdsorptionivHeterogeneous catalysis

Choose the correct answer from the options given below:

Decreasing order of the hydrogen bonding in following forms of water is correctly represented by
A. Liquid water
B. Ice
C. Impure water 
Choose the correct answer from the options given below:

Delicate balance of \(CO_2\) and \(O_2\) is not disturbed by:
Most stable product of the following reaction is:
Some drugs bind to a site other than, theactive site of an enzyme This site is knownas
Element not present in Nessler’s reagent is
Choose the correct representation of conductometric titration of benzoic acid vs sodium hydroxide

An organic compound $[ A ]\left( C _4 H _{11} N \right)$, shows optical activity and gives $N _2$ gas on treatment with The structure of $A$ is :

The reaction of $H _2 O _2$ with potassium permanganate in acidic medium leads to the formation of mainly:
In the wet tests for identification of various cations by precipitation, which transition element cation doesn't belong to group IV in qualitative inorganic analysis ?

In the following reactions, P, Q, R, and S are the major products.
The correct statement(s) about P, Q, R, and S is(are) 

The correct stability order of the following carbocations is : (I)H2C⨁-CH=CH-CH3, (II)⨁CH2-CH=CH-BMe2, (III)H2C⨁-CH=CH-NMe2, (IV)H2C⨁-CH=CH-OMe
The correct order of boiling points of N-ethylethanamine(I), ethoxyethane(II) and butan-2-ol(III) is