MCQ
In the following transition elements, the lowest $M.P.$ and $B.P.$ is exhibited by
- A$Cr$
- ✓$Hg$
- C$Cu$
- D$Au$
✓
Answer
Correct option: B.
$Hg$
b
(b) $Hg$ as there is no unpaired electron so $M.P.$ and $B.P.$ are low. $Hg$ is therefore liquid at room temperature with $234\,K.$
(b) $Hg$ as there is no unpaired electron so $M.P.$ and $B.P.$ are low. $Hg$ is therefore liquid at room temperature with $234\,K.$
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
The correct order of basicity in amines
→$(i)$ ${C_4}{H_5}N{H_2}$ $(ii)$ $C{H_3}N{H_2}$
$(iii)$ ${(C{H_3})_2}NH$ $ (iv)$ ${(C{H_3})_3}N$
$5\,g$ of $NaOH$ was dissolved in deionized water to prepare a $450\,mL$ stock solution. What volume (in $mL$ ) of this solution would be required to prepare $500\,mL$ of $0.1\,M$ solution?
→Given : Molar Mass of $Na$, $O$ and $H$ is $23,16$ and $1\,g\,mol ^{-1}$ respectively
The major product of the following reaction is :
In which of the following gaseous equilibrium an increase in pressure will increase the yield of the products
If ice and water are at equilibrium then which is correct. To obtain high amount of water
→Ice $ \rightleftharpoons $ Water
At $pH =1.2$ and 1 bar pressure, potential of hydrogen electrode at 298 K is __________ [Given : $\log 1.2=0.079$ ]
→Number of two electron can have the same values of …… quantum numbers
An aqueous solution of potash alum gives
If the enthalpy of vaporization for water is $186.5\, kJ$ $mo{l^{ - 1}}$, the entropy of its vaporization will be......$J{K^{ - 1}}\,mo{l^{ - 1}}$
→Which of the following is not an example of benzenoid compound?