Inorganic Chemistry
Periodic Table and Periodicity
MCQ (Single Correct Answer)
Chemical Bonding and Molecular Structure
MCQ (Single Correct Answer)
Hydrogen and It's Compounds
MCQ (Single Correct Answer)
d and f Block Elements
MCQ (Single Correct Answer)
Coordination Compounds
MCQ (Single Correct Answer)
Environmental Chemistry
MCQ (Single Correct Answer)
Organic Chemistry
IUPAC Nomenclatures
MCQ (Single Correct Answer)
General Organic Chemistry
MCQ (Single Correct Answer)
Haloalkanes and Haloarenes
MCQ (Single Correct Answer)
Alcohol, Phenols and Ethers
MCQ (Single Correct Answer)
Aldehyde and Ketone
MCQ (Single Correct Answer)
Carboxylic Acids and Its Derivatives
MCQ (Single Correct Answer)
Chemistry in Everyday Life
MCQ (Single Correct Answer)
Practical Organic Chemistry
MCQ (Single Correct Answer)
1
MHT CET 2023 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following statements is NOT true about Rutherford atomic model?

A
Each atom consists of massive, +vely charged centre.
B
The electrons are revolving continuously around the nucleus.
C
This model does not describe the distribution of electrons around the nucleus.
D
This model describes the energies of electrons.
2
MHT CET 2023 9th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the wave number of photon emitted during transition from orbit, $$\mathrm{n}=4$$ to $$\mathrm{n}=2$$ in hydrogen atom $$\left[R_H=109677 \mathrm{~cm}^{-1}\right]$$

A
$$20564.44 \mathrm{~cm}^{-1}$$
B
$$23032.17 \mathrm{~cm}^{-1}$$
C
$$15354.78 \mathrm{~cm}^{-1}$$
D
$$25225.7 \mathrm{~cm}^{-1}$$
3
MHT CET 2023 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which from following rule / principle states that "No two electrons in an atom can have the same set of four quantum numbers"?

A
Pauli's exclusion principle
B
Hund's rule
C
Aufbau rule
D
Heisenberg uncertainty principle
4
MHT CET 2023 9th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Calculate the wavenumber of the photon emitted during transition from the orbit of $$n=2$$ to $$n=1$$ in hydrogen atom. $$\left[R_H=109677 \mathrm{~cm}^{-1}\right]$$

A
$$27419.3 \mathrm{~cm}^{-}$$
B
$$109677.0 \mathrm{~cm}^{-1}$$
C
$$12064.5 \mathrm{~cm}^{-1}$$
D
$$82257.8 \mathrm{~cm}^{-1}$$
Questions Asked from MCQ (Single Correct Answer)
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