List of top Chemistry Questions

Hoffmann Bromamide Degradation reaction is given by:
Assertion (A): Benzene diazonium salt is stable and can be easily stored.
Reason (R): Benzene diazonium chloride decomposes easily.

Three compounds are given below:
 
The correct decreasing order of their basic strength is:

Choose the compound which is more acidic than phenol:
Assertion (A): D (+)-Glucose is dextrorotatory.
Reason (R): Symbol ‘D’ represents its dextrorotatory nature.
A galvanic cell can behave as an electrolytic cell when:
Which type of isomerism is shown by the complexes \([Co(NH_3)_5Br]SO_4\) and \([Co(NH_3)_5SO_4]Br\) ?
Unit of rate constant for the zero order reaction is:
Given below is the decomposition of hydrogen peroxide in alkaline medium, which is catalysed by iodide ions: \[ 2H_2O_2 \xrightarrow{I^-, \; \text{alkaline medium}} 2H_2O + O_2 \] The above reaction takes place in two steps:
Step I: \( H_2O_2 + I^- \longrightarrow H_2O + IO^- \) (slow)
Step II: \( H_2O_2 + IO^- \longrightarrow H_2O + I^- + O_2 \)
Molecularity of Step I and Step II is:
A reaction follows second order kinetics. How is the rate of reaction affected if the concentration of the reactant is reduced to half? Choose the correct value from the following:
\(2 I O^ − _3 + x I ^− + 12 H ^+ ⟶ 6 I_ 2 + 6 H _2 O\) What is the value of x?
The reaction \(\frac{ 1}{2}\)H2(g) + AgCl(s) → H+(aq) + Cl-(aq) + Ag(s) occurs in which of the given galvanic cell.
Which of the following represent the Freundlich adsorption isotherms?




Choose the correct answer from the options given below: 
Which of the following complex is octahedral, diamagnetic and the most stable?
The correct order of spin only magnetic moments for the following complex ions is
Match List-I with List-II :

is reached with regents is List-I to from products in List-II.
List-I (Reagent) List-II (Products)
AI
BHBF4 \(\triangle\)II
CCu, HCIIII
DCuCN/ KCNIV
Choose the correct answer from the options given below :
Match List-I with List-II :
List-I List-II
ASaccharinIHigh potency sweetener
BAspartameIIFirst artificial sweetening agent
CAlitameIIIStable at cooking temperature
DSucraloseIVUnstable at cooking temperature

Choose the correct answer from the options given below :

In chromyl chloride, the number of d-electrons present on chromium is same as in (Given at no. of Ti : 22, V : 23, Cr : 24, Mn : 25, Fe : 26)
The volume of 0.02 M aqueous HBr required to neutralize 10.0 mL of 0.01 M aqueous Ba(OH)2 is ____ . (Assume complete neutralization)
Consider the following reaction that goes from A to B in three steps as shown
Consider the following reaction that goes from A to B in three steps as shown
below Choose the correct option:
The product , which is not obtained during the electrolysis of brine solution is ____ .
The group of chemicals used as pesticide is
In the following reaction 'B' is
In the following reaction 'B' is jee main 2023
From the figure of column chromatography given below, identify incorrect statements

A. Compound 'c' is more polar than 'a' and 'b' 
B. Compound 'a' is least polar
C. Compound 'b' comes out of the column before 'c' and after 'a' 
D. Compound 'a' spends more time in the column 
Choose the correct answer from the options given below
Find out the major product from the following reaction.
major product from the following reaction jee main 2023