Assertion : Boron is metalloid.
Reason : Boron shows metallic nature.
Assertion : Boron is metalloid.
Reason : Boron shows metallic nature.
- [AIIMS 1997]
- A
If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
- B
If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
- C
If the Assertion is correct but Reason is incorrect.
- D
If both the Assertion and Reason are incorrect.
Similar Questions
How would you explain the lower atomic radius of $Ga$ as compared to $Al$?
How would you explain the lower atomic radius of $Ga$ as compared to $Al$?
In the Hoope's process for refining of aluminium, the fused materials form three different layers and they remain separated during electrolysis also. This is because
In the Hoope's process for refining of aluminium, the fused materials form three different layers and they remain separated during electrolysis also. This is because
Dilute aqueous solution of ........ acid is used as antibiotic.
Dilute aqueous solution of ........ acid is used as antibiotic.
Write balanced equations for :
$(i)\,B{F_3} + LiH \to $
$(ii)\,{B_2}{H_6} + {H_2}O \to $
$(iii)\,NaH + {B_2}{H_6} \to $
$(iv)\,{H_3}B{O_3}\xrightarrow{\Delta }$
$(v)\,Al + NaOH \to $
$(vi)\,{B_2}{H_6} + N{H_3} \to $
Write balanced equations for :
$(i)\,B{F_3} + LiH \to $
$(ii)\,{B_2}{H_6} + {H_2}O \to $
$(iii)\,NaH + {B_2}{H_6} \to $
$(iv)\,{H_3}B{O_3}\xrightarrow{\Delta }$
$(v)\,Al + NaOH \to $
$(vi)\,{B_2}{H_6} + N{H_3} \to $
For compound having the formula $GaAlCl _4$, the correct option from the following is
For compound having the formula $GaAlCl _4$, the correct option from the following is
- [JEE MAIN 2023]