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JEE Main 2024 (Online) 6th April Morning Shift
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$$9.3 \mathrm{~g}$$ of pure aniline upon diazotisation followed by coupling with phenol gives an orange dye. The mass of orange dye produced (assume 100% yield/conversion) is ________ g. (nearest integer)

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2
JEE Main 2024 (Online) 6th April Morning Shift
Numerical
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Number of molecules from the following which can exhibit hydrogen bonding is _________. (nearest integer)

JEE Main 2024 (Online) 6th April Morning Shift Chemistry - Chemical Bonding & Molecular Structure Question 21 English

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3
JEE Main 2024 (Online) 6th April Morning Shift
Numerical
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Among $$\mathrm{CrO}, \mathrm{Cr}_2 \mathrm{O}_3$$ and $$\mathrm{CrO}_3$$, the sum of spin-only magnetic moment values of basic and amphoteric oxides is _________ $$10^{-2} \mathrm{BM}$$ (nearest integer).

(Given atomic number of $$\mathrm{Cr}$$ is 24 )

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4
JEE Main 2024 (Online) 6th April Morning Shift
Numerical
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Frequency of the de-Broglie wave of electron in Bohr's first orbit of hydrogen atom is _________ $$\times 10^{13} \mathrm{~Hz}$$ (nearest integer).

[Given : $$\mathrm{R}_{\mathrm{H}}$$ (Rydberg constant) $$=2.18 \times 10^{-18} \mathrm{~J}, h$$ (Plank's constant) $$=6.6 \times 10^{-34} \mathrm{~J} . \mathrm{s}$$.]

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