Physical Chemistry
Some Basic Concepts of Chemistry
Fill in the BlanksNumericalMCQ (Single Correct Answer)MCQ (Multiple Correct Answer)SubjectiveStructure of Atom
Fill in the BlanksNumericalMCQ (Single Correct Answer)MCQ (Multiple Correct Answer)SubjectiveTrue of FalseGaseous State
Fill in the BlanksNumericalMCQ (Single Correct Answer)MCQ (Multiple Correct Answer)SubjectiveTrue of FalseChemical Kinetics and Nuclear Chemistry
NumericalMCQ (Single Correct Answer)MCQ (Multiple Correct Answer)SubjectiveInorganic Chemistry
Periodic Table & Periodicity
Fill in the BlanksNumericalMCQ (Single Correct Answer)MCQ (Multiple Correct Answer)SubjectiveTrue of FalseChemical Bonding & Molecular Structure
Fill in the BlanksNumericalMCQ (Single Correct Answer)MCQ (Multiple Correct Answer)SubjectiveTrue of FalseOrganic Chemistry
Basics of Organic Chemistry
Fill in the BlanksNumericalMCQ (Single Correct Answer)MCQ (Multiple Correct Answer)SubjectiveAldehydes, Ketones and Carboxylic Acids
NumericalMCQ (Single Correct Answer)MCQ (Multiple Correct Answer)Chemistry in Everyday Life
MCQ (Single Correct Answer)1
JEE Advanced 2023 Paper 2 Online
Numerical
+4
-0
Consider the following molecules: $\mathrm{Br}_3 \mathrm{O}_8, \mathrm{~F}_2 \mathrm{O}, \mathrm{H}_2 \mathrm{S}_4 \mathrm{O}_6, \mathrm{H}_2 \mathrm{S}_5 \mathrm{O}_6$, and $\mathrm{C}_3 \mathrm{O}_2$. Count the number of atoms existing in their zero oxidation state in each molecule.
Their sum is _______.
Their sum is _______.
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2
JEE Advanced 2020 Paper 2 Offline
Numerical
+3
-1
Consider the following compounds in the liquid form :
O2, HF, H2O, NH3, H2O2, CCl4, CHCl3, C6H6, C6H5Cl
When a charged comb is brought near their flowing stream, how many of them show deflection as per the following figure?

O2, HF, H2O, NH3, H2O2, CCl4, CHCl3, C6H6, C6H5Cl
When a charged comb is brought near their flowing stream, how many of them show deflection as per the following figure?

Your input ____
3
JEE Advanced 2017 Paper 1 Offline
Numerical
+3
-0
Among $${H_2},H{e_2}^ + ,L{i_2},$$ $$B{e_2},{B_2},{C_2},{N_2},O_2^ - $$ and $${F_2},$$ the number of diamagnetic species is
(Atomic numbers : $$H = 1,He = 2,$$ $$Li = 3,Be = 4,$$ $$B = 5,C = 6,$$ $$N = 7,$$ $$O = 8,F = 9$$)
(Atomic numbers : $$H = 1,He = 2,$$ $$Li = 3,Be = 4,$$ $$B = 5,C = 6,$$ $$N = 7,$$ $$O = 8,F = 9$$)
Your input ____
4
JEE Advanced 2015 Paper 1 Offline
Numerical
+4
-0
Among the triatomic molecules/ions, BeCl2, $$N_3^-$$, N2O, $$NO_2^+$$, O3, SCl2, $$ICl_2^-$$, $$I_3^-$$ and XeF2, the total number of linear molecule(s)/ion(s) where the hybridization of the central atom does not have contribution from the d-orbital(s) is
[Atomic number: S = 16, Cl = 17, I = 53 and Xe = 54]
[Atomic number: S = 16, Cl = 17, I = 53 and Xe = 54]
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