1
JEE Main 2024 (Online) 4th April Evening Shift
MCQ (Single Correct Answer)
+4
-1

Choose the Incorrect Statement about Dalton's Atomic Theory

A
Compounds are formed when atoms of different elements combine in any ratio.
B
Matter consists of indivisible atoms.
C
chemical reactions involve reorganization of atoms
D
All the atoms of a given element have identical properties including identical mass.
2
JEE Main 2024 (Online) 1st February Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
The number of radial node/s for $3 p$ orbital is :
A
3
B
2
C
1
D
4
3
JEE Main 2024 (Online) 1st February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
In case of isoelectronic species the size of $\mathrm{F}^{-}, \mathrm{Ne}$ and $\mathrm{Na}^{+}$is affected by :
A
Nuclear charge $(\mathrm{z})$
B
None of the factors because their size is the same
C
Electron-electron interaction in the outer orbitals
D
Principal quantum number (n)
4
JEE Main 2024 (Online) 1st February Morning Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
According to the wave-particle duality of matter by de-Broglie, which of the following graph plot presents most appropriate relationship between wavelength of electron $(\lambda)$ and momentum of electron $(p)$?
A
JEE Main 2024 (Online) 1st February Morning Shift Chemistry - Structure of Atom Question 22 English Option 1
B
JEE Main 2024 (Online) 1st February Morning Shift Chemistry - Structure of Atom Question 22 English Option 2
C
JEE Main 2024 (Online) 1st February Morning Shift Chemistry - Structure of Atom Question 22 English Option 3
D
JEE Main 2024 (Online) 1st February Morning Shift Chemistry - Structure of Atom Question 22 English Option 4
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