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JEE MAIN 2019
09-04-2019 S2
Question
Among the following species, the diamagnetic molecule is
Select the correct option:
A
CO
B
NO
C
$\mathrm{O}_2$
D
$\mathrm{B}_2$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
View Solution
Solution
Question Tags
JEE Main
Chemistry
Easy
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Consider the following reaction, the rate expression of which is given below
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2024
The maximum number of orbitals which can identified with $\mathrm{n}=4$ and $\mathrm{m}_l=0$ is $\_\_\_\_$
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JEE Main 2024
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The number of species from the following that have pyramidal geometry around the central atom is $\_\_\_\_$
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The number of unpaired d-electrons in $\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{3+}$ is $\_\_\_\_$
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A first row transition metal in its +2 oxidation state has a spin-only magnetic moment value of 3.86 BM. The...
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For a strong electrolyte, a plot of molar conductivity against (concentration) ${ }^{1 / 2}$ is a straight line, with...
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Choose the Incorrect Statement about Dalton's Atomic Theory
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Let the slope of the line $45 x+5 y+3=0$ be $27 r_1+\frac{9 r_2}{2}$ for some $r_1, r_2 \in R$. Then...
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Let the set $C=\left\{(x, y) \mid x^2-2^y=2023, x, y \in \mathbb{N}\right\}$. Then $\sum_{(x, y) \in C}(x+y)$ is equal to
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Remainder when $64^{32^{32}}$ is divided by 9 is equal to
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Let $f(x)=\sqrt{\lim _{r \rightarrow x}\left\{\frac{2 r^2\left[(f(r))^2-f(x) f(r)\right]}{r^2-x^2}-r^3 e^{\frac{f(r)}{r}}\right\}}$ be differentiable in $(-\infty, 0) \cup(0, \infty)$ and $f(1)=1$. Then the value...
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The number of symmetric relations defined on the set $\{1,2,3,4\}$ which are not reflexive is
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Let $O$ be the origin, and $M$ and $N$ be the points on the lines $\frac{x-5}{4}=\frac{y-4}{1}=\frac{z-5}{3}$ and $\frac{x+8}{12}=\frac{y+2}{5}=\frac{z+11}{9}$ respectively such...
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JEE Main 2024
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Fuel cell, using hydrogen and oxygen as fuels,
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