Statement $I$: Boron does not exhibit allotropy.
Statement $II$: Boron is an extremely hard and black-coloured solid.
Statement $II$: Boron is an extremely hard and black-coloured solid.
- ABoth $I$ & $II$ are correct
- BBoth $I$ & $II$ are not correct
- C$I$ is correct but $II$ is not correct
- D$I$ is not correct but $II$ is correct
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Similar Questions
Give the origin and occurrence of group $13$ elements.
Medium
View SolutionThe incorrect statement from the following for borazine is:
Aqueous solution of which of the following boron compounds will be strongly basic in nature?
Match the following compounds in List-$I$ with their uses in List-$II$:
List-$I$ (Compounds) List-$II$ (Uses) $A$. Boron-$10$ $I$. Antiseptic $B$. Borax $II$. Bullet proof vest $C$. Boron-fibre $III$. Neutron absorber $D$. Orthoboric acid $IV$. Heat resistance glasses
| List-$I$ (Compounds) | List-$II$ (Uses) |
| $A$. Boron-$10$ | $I$. Antiseptic |
| $B$. Borax | $II$. Bullet proof vest |
| $C$. Boron-fibre | $III$. Neutron absorber |
| $D$. Orthoboric acid | $IV$. Heat resistance glasses |
Diborane on hydrolysis gives a compound $X$. The correct statements about $X$ are
$I$. It is a tribasic acid
$II$. It is a weak monobasic acid
$III$. It has a layer structure
$IV$. It is highly soluble in water
$I$. It is a tribasic acid
$II$. It is a weak monobasic acid
$III$. It has a layer structure
$IV$. It is highly soluble in water
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