Mention isotops of boron.
Mention isotops of boron.
Boron has two isotops : $(i)$ ${ }^{10} \mathrm{~B}(19 \%)$ and $(ii)$ ${ }^{11} \mathrm{~B}(81 \%)$
Similar Questions
The weakest Lewis acid is
The weakest Lewis acid is
Given below are two statements :
Statement $I$ : Boron is extremely hard indicating its high lattice energy
Statement $II$ : Boron has highest melting and boiling point compared to its other group members.
In the light of the above statements, choose the most appropriate answer from the options given below
Given below are two statements :
Statement $I$ : Boron is extremely hard indicating its high lattice energy
Statement $II$ : Boron has highest melting and boiling point compared to its other group members.
In the light of the above statements, choose the most appropriate answer from the options given below
- [JEE MAIN 2023]
The most acidic of the following compounds is
The most acidic of the following compounds is
Assertion : Coloured cations can be identified by borax bead test.
Reason : Transparent bead $(NaBO_2 + B_2O_3)$ forms coloured bead with coloured cation.
Assertion : Coloured cations can be identified by borax bead test.
Reason : Transparent bead $(NaBO_2 + B_2O_3)$ forms coloured bead with coloured cation.
- [AIIMS 2009]
Which of the following compounds is formed by addition of mineral acid to an aqueous solution of borax ?
Which of the following compounds is formed by addition of mineral acid to an aqueous solution of borax ?