MCQ
Which is set of paramagnetic molecules or ions
- A$NO, NO_2, O_2^{2+}, O_2^{ 2-}$
- ✓$O_2^+, O_2^ -, NO, NO_2$
- C$C_2, B_2, O_2, S_2$
- D$B_2, N_2, O_2, O_2^-$
✓
Answer
Correct option: B.
$O_2^+, O_2^ -, NO, NO_2$
b
Odd $e^-$ species always paramagnetic
Odd $e^-$ species always paramagnetic
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
An element $X$ reacts with oxygen to form a compound $X_2O_3$. If the atomic mass of $X$ is $91.5$ the equivalent mass of $X$ is
→The final product $C$, obtained in this reaction
→image $\xrightarrow{{A{c_2}O}}A\mathop {\xrightarrow{{B{r_2}}}}\limits_{C{H_3}COOH} B\mathop {\xrightarrow{{{H_2}O}}}\limits_{{H^ + }} C$ would be
Magnetic and spin quantum number of an electron are $-1$ and $+1/2$ respectively. This electron cannot be in
→Treatment of a $2^o\, OH$ with $CrO_3 /H_2SO_4$ yields an/a
→Which of the following pair of orbitals, the probability of finding the electron is zero in $XY$ plane?
→The acid formed when propyl magnesium bromide is treated with carbon dioxide is
The equilibrium constant of the reaction
→$Cu(s) + 2Ag^+(aq) \to Cu^{2+}(aq) + 2Ag(s)$
$E^o = 0.46\,V$ at $298\,K$ is approximately
How much faster would a reaction proceed at $25\,^oC$ than at $0\,^oC$ if the activation energy is $65\,kJ$ ....... times
→When $HN{O_3}$ is dropped into the palm and washed with water, it turns into yellow. It shows the presence of
→A substance $A$' decomposes by a first order reaction starting initially with $ [A] =2.00\,m $ and after $200\,\min$ $ [A] = 0.15\,m$. For this reaction what is the value of $k$
→