Contact us
Back

Report Issue

EQUIVALENT CONCEPT

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2025
Compounds that should not be used as primary standards in titrimetric analysis are :
A. $\mathrm{Na}_2 \mathrm{Cr}_2 \mathrm{O}_7$
B. Oxalic acid
C. NaOH
D. $...
JEE Main Chemistry Medium
View Solution →
Q JEE MAIN 2023
In alkaline medium, the reduction of permanganate anion involves a gain of _______ electrons.
JEE Main Chemistry Easy
View Solution →
Q JEE MAIN 2023
The volume of 0.02 M aqueous HBr required to neutralize 10.0 mL of 0.01 M aqueous $\mathrm{Ba}(\mathrm{OH})_2$ is (Assume complete neutralization)
JEE Main Chemistry Easy
View Solution →
Q JEE MAIN 2023
An analyst wants to convert. 1L HCI of pH = 1 to a solution of HCI of pH 2. The volume of water needed to...
JEE Main Chemistry Easy
View Solution →
Q JEE MAIN 2023
The volume of HCl , containing $73 \mathrm{~g} \mathrm{~L}^{-1}$, required to completely neutralise NaOH obtained by reacting 0.69 g of metallic sodium with water, is...
JEE Main Chemistry Medium
View Solution →
Q JEE MAIN 2023
An indicator ' $x$ ' is used for studying the effect of variation in concentration of iodide on the rate of reaction of iodide ion...
JEE Main Chemistry Easy
View Solution →
Q JEEE MAIN 2023
The titration curve of weak acid vs. strong base with phenolphthalein as indictor) is shown below. The Kphenolphthalein = 4 × 10–10.
JEE Main Chemistry Easy
View Solution →
Q JEE MAIN 2023
'25 volume' hydrogen peroxide means
JEE Main Chemistry Medium
View Solution →
Q JEE MAINS 2024
Only 2 mL of $\mathrm{KMnO}_4$ solution of unknown molarity is required to reach the end point of a titration of 20 mL of oxalic acid...
JEE Main Chemistry Easy
View Solution →
Q JEE MAIN 2024
Thiosulphate reacts differently with iodine and bromine in the reaction given below :
$2 \mathrm{~S}_2 \mathrm{O}_3^{2-}+\mathrm{I}_2 \rightarrow \mathrm{~S}_4 \mathrm{O}_6^{2-}+2 \mathrm{I}^{-}$
$...
JEE Main Chemistry Easy
View Solution →