MCQ
Paramagnetism is exhibited by molecules
  • A
    Not attracted in a magnetic field
  • B
    Containing only paired electrons
  • C
    Carrying a positive charge
  • Carrying unpaired electrons

Answer

Correct option: D.
Carrying unpaired electrons
d
(d)Carrying unpaired electrons.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Chlorobenzene is prepared commercially by
For the reaction $2A + B \to$ Product  rate law is given as $\frac{-d[A]}{dt} = K[A]$ At a time when $t = \frac{1}{K} $, concentration of the reactant is ($Co =$ initial concentration)
The pressure that a single component in a gaseous mixture would exert if it existed alone in the same volume as the mixture and at the same temperature as the mixture is referred to as.
An atom of element has 2K, 8L and 3M electrons. Then the element belongs to:
Arrange the following compounds in increasing order of their reactivity towards $HCN$

$(I)$ Acetaldehyde

$(II)$ Acetone

$(III)$ Di-tert-butylketone

$(IV)$ Methyl-tert-butyl ketone

The stabilisation of coordination compounds due to chelation is called the chelate effect. Which of the following is the most stable complex species?
In the following reaction

$\begin{matrix}
   \begin{matrix}
   C{{H}_{3}}\,\,\,\,\,\,\,\, \,\, \\
   |\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
\end{matrix}  \\
   C{{H}_{3}}-C-CH=C{{H}_{2}}  \\
   |\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
   C{{H}_{3}}\,\,\,\,\,\,\,\, \,\,\,\, \\
\end{matrix}\,$ $\xrightarrow{{{H}_{2}}O/{{H}^{\oplus }}}$ $\underset{Major\,\,product}{\mathop{A}}\,$ $+$ $\underset{Major\,\,product}{\mathop{B}}\,$

The major product is

m-chlorobenzaldehyde on treatment with $50 \%$ $\mathrm{KOH}$ solution yields
The acid formed when propyl magnesium bromide is treated with carbon dioxide is
A reaction which is of first order $w.r.t.$ reactant $A$, has a rate constant $6 \,min^{-1}$. If we start with $[A] = 0.5 \,mol \,L^{-1}$, when would $[A]$ reach the value of $0.05\, mol\, L^{-1}$ .......... $\min$