Physical Chemistry
Some Basic Concepts of Chemistry
Numerical MCQ (Single Correct Answer)
Structure of Atom
Numerical MCQ (Single Correct Answer)
Redox Reactions
Numerical MCQ (Single Correct Answer)
Gaseous State
Numerical MCQ (Single Correct Answer)
Chemical Equilibrium
Numerical MCQ (Single Correct Answer) MCQ (Multiple Correct Answer)
Ionic Equilibrium
Numerical MCQ (Single Correct Answer)
Solutions
Numerical MCQ (Single Correct Answer) MCQ (Multiple Correct Answer)
Thermodynamics
Numerical MCQ (Single Correct Answer)
Electrochemistry
Numerical MCQ (Single Correct Answer)
Chemical Kinetics and Nuclear Chemistry
Numerical MCQ (Single Correct Answer)
Solid State
Numerical MCQ (Single Correct Answer)
Surface Chemistry
Numerical MCQ (Single Correct Answer)
Inorganic Chemistry
Periodic Table & Periodicity
Numerical MCQ (Single Correct Answer)
Chemical Bonding & Molecular Structure
Numerical MCQ (Single Correct Answer) MCQ (Multiple Correct Answer)
Isolation of Elements
Numerical MCQ (Single Correct Answer)
Hydrogen
Numerical MCQ (Single Correct Answer)
s-Block Elements
Numerical MCQ (Single Correct Answer)
p-Block Elements
Numerical MCQ (Single Correct Answer) MCQ (Multiple Correct Answer)
d and f Block Elements
Numerical MCQ (Single Correct Answer) MCQ (Multiple Correct Answer)
Coordination Compounds
Numerical MCQ (Single Correct Answer)
Environmental Chemistry
MCQ (Single Correct Answer)
Organic Chemistry
Basics of Organic Chemistry
Numerical MCQ (Single Correct Answer) MCQ (Multiple Correct Answer)
Hydrocarbons
Numerical MCQ (Single Correct Answer)
Haloalkanes and Haloarenes
Numerical MCQ (Single Correct Answer)
Alcohols, Phenols and Ethers
Numerical MCQ (Single Correct Answer) MCQ (Multiple Correct Answer)
Aldehydes, Ketones and Carboxylic Acids
Numerical MCQ (Single Correct Answer) MCQ (Multiple Correct Answer)
Compounds Containing Nitrogen
Numerical MCQ (Single Correct Answer)
Polymers
Numerical MCQ (Single Correct Answer)
Biomolecules
Numerical MCQ (Single Correct Answer)
Chemistry in Everyday Life
Numerical MCQ (Single Correct Answer)
Practical Organic Chemistry
Numerical MCQ (Single Correct Answer)
PREVIOUS NEXT
1
JEE Main 2024 (Online) 8th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
Match List I with List II
| LIST I (Name of the test) | LIST II (Reaction sequence involved) [M is metal] | ||
|---|---|---|---|
| A. | Borax bead test | I. | $$\mathrm{MCO}_3 \rightarrow \mathrm{MO} \xrightarrow[+\Delta]{\mathrm{Co}\left(\mathrm{NO}_3\right)_2} \mathrm{CoO} \cdot \mathrm{MO}$$ |
| B. | Charcoal cavity test | II. | $$\mathrm{MCO}_3 \rightarrow \mathrm{MCl}_2 \rightarrow \mathrm{M}^{2+}$$ |
| C. | Cobalt nitrate test | III. | $$\mathrm{MSO}_4 \xrightarrow[\Delta]{\mathrm{Na}_2 \mathrm{~B}_4 \mathrm{O}_7} \mathrm{M}\left(\mathrm{BO}_2\right)_2 \rightarrow \mathrm{MBO}_2 \rightarrow \mathrm{M}$$ |
| D. | Flame test | IV. | $$\mathrm{MSO}_4 \xrightarrow[\Delta]{\mathrm{Na}_2 \mathrm{CO}_3} \mathrm{MCO}_3 \rightarrow \mathrm{MO} \rightarrow \mathrm{M}$$ |
Choose the correct answer from the options given below:
A
A-III, B-I, C-IV, D-II
B
A-III, B-IV, C-I, D-II
C
A-III, B-II, C-IV, D-I
D
A-III, B-I, C-II, D-IV
2
JEE Main 2024 (Online) 4th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
In the precipitation of the iron group (III) in qualitative analysis, ammonium chloride is added before adding ammonium hydroxide to :
A
decrease concentration of $${ }^{-} \mathrm{OH}$$ ions
B
increase concentration of $$\mathrm{Cl}^{-}$$ ions
C
prevent interference by phosphate ions
D
increase concentration of $$\mathrm{NH}_4{ }^{+}$$ ions
3
JEE Main 2024 (Online) 1st February Morning Shift
MCQ (Single Correct Answer)
+4
-1
In Kjeldahl's method for estimation of nitrogen, $\mathrm{CuSO}_4$ acts as :
A
catalytic agent
B
hydrolysis agent
C
reducing agent
D
oxidising agent
4
JEE Main 2024 (Online) 1st February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Given below are two statements :
Statement (I) : Potassium hydrogen phthalate is a primary standard for standardisation of sodium hydroxide solution.
Statement (II) : In this titration phenolphthalein can be used as indicator.
In the light of the above statements, choose the most appropriate answer from the options given below :
A
Both Statement I and Statement II are correct
B
Statement I is incorrect but Statement II is correct
C
Both Statement I and Statement II are incorrect
D
Statement I is correct but Statement II is incorrect
PREVIOUS NEXT
Questions Asked from Practical Organic Chemistry (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
JEE Main 2024 (Online) 9th April Evening Shift (2) JEE Main 2024 (Online) 9th April Morning Shift (1) JEE Main 2024 (Online) 8th April Evening Shift (1) JEE Main 2024 (Online) 8th April Morning Shift (1) JEE Main 2024 (Online) 4th April Morning Shift (1) JEE Main 2024 (Online) 1st February Morning Shift (2) JEE Main 2024 (Online) 31st January Evening Shift (1) JEE Main 2024 (Online) 29th January Evening Shift (1) JEE Main 2024 (Online) 29th January Morning Shift (2) JEE Main 2024 (Online) 27th January Evening Shift (1) JEE Main 2023 (Online) 13th April Evening Shift (1) JEE Main 2023 (Online) 11th April Morning Shift (1) JEE Main 2023 (Online) 10th April Evening Shift (1) JEE Main 2023 (Online) 10th April Morning Shift (1) JEE Main 2023 (Online) 8th April Evening Shift (2) JEE Main 2023 (Online) 6th April Evening Shift (1) JEE Main 2023 (Online) 6th April Morning Shift (1) JEE Main 2023 (Online) 1st February Evening Shift (1) JEE Main 2023 (Online) 31st January Evening Shift (1) JEE Main 2023 (Online) 30th January Morning Shift (1) JEE Main 2023 (Online) 29th January Morning Shift (1) JEE Main 2023 (Online) 25th January Morning Shift (2) JEE Main 2022 (Online) 25th July Evening Shift (1) JEE Main 2022 (Online) 30th June Morning Shift (1) JEE Main 2022 (Online) 29th June Evening Shift (1) JEE Main 2022 (Online) 28th June Morning Shift (1) JEE Main 2022 (Online) 26th June Morning Shift (1) JEE Main 2022 (Online) 25th June Evening Shift (1) JEE Main 2022 (Online) 24th June Evening Shift (1) JEE Main 2022 (Online) 24th June Morning Shift (1) JEE Main 2021 (Online) 27th August Evening Shift (1) JEE Main 2021 (Online) 27th August Morning Shift (1) JEE Main 2021 (Online) 26th August Morning Shift (1) JEE Main 2021 (Online) 27th July Evening Shift (1) JEE Main 2021 (Online) 22th July Evening Shift (1) JEE Main 2021 (Online) 20th July Evening Shift (1) JEE Main 2021 (Online) 20th July Morning Shift (1) JEE Main 2021 (Online) 18th March Morning Shift (1) JEE Main 2021 (Online) 16th March Evening Shift (1) JEE Main 2021 (Online) 26th February Evening Shift (1) JEE Main 2021 (Online) 26th February Morning Shift (1) JEE Main 2021 (Online) 25th February Evening Shift (2) JEE Main 2020 (Online) 6th September Evening Slot (1) JEE Main 2020 (Online) 2nd September Evening Slot (1) JEE Main 2020 (Online) 2nd September Morning Slot (1) JEE Main 2020 (Online) 9th January Evening Slot (1) JEE Main 2020 (Online) 7th January Morning Slot (1) JEE Main 2019 (Online) 12th April Morning Slot (1) JEE Main 2019 (Online) 9th April Morning Slot (1) JEE Main 2019 (Online) 8th April Morning Slot (2) JEE Main 2019 (Online) 10th January Evening Slot (1) JEE Main 2019 (Online) 9th January Evening Slot (1) JEE Main 2019 (Online) 9th January Morning Slot (1) JEE Main 2018 (Online) 16th April Morning Slot (2) JEE Main 2018 (Offline) (1) JEE Main 2017 (Online) 8th April Morning Slot (1) JEE Main 2016 (Online) 10th April Morning Slot (1) AIEEE 2011 (1) AIEEE 2010 (1) AIEEE 2004 (1)
