Which of the following compounds is used in gas lighters?
- A$CeO_2$
- BPyrophoric Misch metal
- CNichrome
- DNitinol
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Similar Questions
Arrange $Ce^{3+}$,$La^{3+}$,$Pm^{3+}$,and $Yb^{3+}$ in increasing order of size.
Difficult
View SolutionMatch the properties given in List-$I$ with the elements given in List-$II$:
List-$I$ (Property) List-$II$ (Element) $(A)$ Lanthanoid showing $+4$ oxidation state $(i)$ $Pm$ $(B)$ Lanthanoid showing $+2$ oxidation state $(ii)$ $Ce$ $(C)$ Radioactive lanthanoid $(iii)$ $Lu$ $(D)$ Lanthanoid with $4f^7$ configuration in $+3$ state $(iv)$ $Eu$ $(E)$ Lanthanoid with $4f^{14}$ configuration in $+3$ state $(v)$ $Gd$ - $(vi)$ $Dy$
| List-$I$ (Property) | List-$II$ (Element) |
| $(A)$ Lanthanoid showing $+4$ oxidation state | $(i)$ $Pm$ |
| $(B)$ Lanthanoid showing $+2$ oxidation state | $(ii)$ $Ce$ |
| $(C)$ Radioactive lanthanoid | $(iii)$ $Lu$ |
| $(D)$ Lanthanoid with $4f^7$ configuration in $+3$ state | $(iv)$ $Eu$ |
| $(E)$ Lanthanoid with $4f^{14}$ configuration in $+3$ state | $(v)$ $Gd$ |
| - | $(vi)$ $Dy$ |
Medium
View SolutionIdentify the correct decreasing order of atomic radii from the following.
The number of elements from the following that do not belong to lanthanoids is:
$Eu, Cm, Er, Tb, Yb$ and $Lu$
$Eu, Cm, Er, Tb, Yb$ and $Lu$
Which of the following properties decreases on moving from $Ce$ to $Lu$?
Medium
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