Mention isotops of boron.
Mention isotops of boron.
Boron has two isotops : $(i)$ ${ }^{10} \mathrm{~B}(19 \%)$ and $(ii)$ ${ }^{11} \mathrm{~B}(81 \%)$
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Aluminium $(III)$ chloride forms a dimer because
Aluminium $(III)$ chloride forms a dimer because
- [AIPMT 1995]
Explain the following :
$(1)$ Gallium has higher ionisation enthalpy than aluminum.
$(2)$ Boron does not exist as $B^{3+}$ ion.
Explain the following :
$(1)$ Gallium has higher ionisation enthalpy than aluminum.
$(2)$ Boron does not exist as $B^{3+}$ ion.
The structure of diborane $({B_2}{H_6})$ contains
The structure of diborane $({B_2}{H_6})$ contains
- [AIEEE 2005]
The number of $2-$ centre $-2-$ electron and $3-$ centre $-2-$ electron bonds in $B_2H_6$, respectively, are
The number of $2-$ centre $-2-$ electron and $3-$ centre $-2-$ electron bonds in $B_2H_6$, respectively, are
- [JEE MAIN 2019]
Boron fluoride exists as $BF_3$ but boron hydride doesn't exist as $BH_3$ . Give reason. In which form, does it exist ? Explain its structure.
Boron fluoride exists as $BF_3$ but boron hydride doesn't exist as $BH_3$ . Give reason. In which form, does it exist ? Explain its structure.