MCQ
Which of the following species is paramagnetic?
- ✓$NO^-$
- B$O_2^{2-}$
- C$CN^-$
- D$CO$
✓
Answer
Correct option: A.
$NO^-$
a
$NO^-$ has two $U.P.E.$
$NO^-$ has two $U.P.E.$
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
$\xrightarrow[\Delta ]{{alc.\,KOH}}$ product
→Amongst the following electrodes the one with zero electrode potential is
One mole of an ideal gas at $25\,^oC$ expands its volume from $1\,L$ to $4\,L$ at constant temperature. What work (in $J$) is done if gas expands against vaccum $(P_{ext} = 0)$?
→In the given reaction : $[X]$ will be :
→ 
The number of atoms in $8\, \mathrm{~g}$ of sodium is $\mathrm{x} \times 10^{23}.$ The value of $\mathrm{x}$ is ...... .(Nearest integer)
→$\left[\right.$ Given $: \mathrm{N}_{\mathrm{A}}=6.02 \times 10^{23}\, \mathrm{~mol}^{-1}$, Atomic mass of $\mathrm{Na}=23.0\, \mathrm{u}]$
Which has maximum dipole moment ?
The number of species from the following carrying a single lone pair on central atom Xenon is $.....$: $XeF _5^{+}, XeO _3, XeO _2 F _2, XeF _5^{-}, XeO _3 F _2, XeOF _4$, $XeF _4$
→An ideal gas in a thermally insulated vessel at internal pressure $=P_1$, volume $=V_1$ and absolute temperature $= T _1$ expands irreversibly against zero external pressure, as shown in the diagram. The final internal pressure, volume and absolute temperature of the gas are $P _2, V _2$ and $T _2$, respectively. For this expansion,
→$(A)$ $q=0$ $(B)$ $T_2=T_1$ $(C)$ $P_2 V_2=P_1 V_1$ $(D)$ $P_2 V_2^\gamma=P_1 V_1^\gamma$
Product $(C)$ of the reaction is
→The products formed by complete hydrolysis of $PCl_3$ are
→