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प्रश्न
Which of the following metals has the largest abundance in the earth’s crust?
पर्याय
Aluminium
Calcium
Magnesium
Sodium
MCQ
उत्तर
Aluminium
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Group 13 (Boron Group) Elements
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संबंधित प्रश्न
Which among the following is not a borane?
In diborane, the number of electrons that accounts for banana bonds is ____________.
Match items in Column – I with the items of Column – II and assign the correct code.
| Column – I | Column – II |
| A. Borazole | 1. B(OH)3 |
| B. Boric acid | 2. B3N3H6 |
| C. Quartz | 3. Na2[B4O5(OH)4]8H2O |
| D. Borax | 4. SiO2 |
The compound that is used in nuclear reactors as protective shields and control rods is ____________.
Write a short note on hydroboration.
Give one example for the following.
Icosogens
Complete the following reaction.
\[\ce{B(OH)3 + NH3 ->}\]
Complete the following reaction.
\[\ce{BF3 + 9H2O ->}\]
Complete the following reaction.
\[\ce{B + NaOH ->}\]
How will you convert boric acid to boron nitride?
