What are the correct statements about the ele | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(A) Statement $(I)$ is correct due to the inert pair effect, where the stability of the $+1$ oxidation state increases down the group $(Ga < In < Tl)$

Vedclass · Accepted Answer

$I, III$ & $V$ only

Vedclass · Answer

(A) Statement $(I)$ is correct due to the inert pair effect, where the stability of the $+1$ oxidation state increases down the group $(Ga Statement $(II)$ is incorrect; Boron has a very high melting point due to its giant covalent structure.Statement $(III)$ is correct; Boron lacks $d$-orbitals and can accommodate a maximum of $4$ electron pairs in its valence shell.Statement $(IV)$ is incorrect; the correct order of atomic radius is $Al > Ga Statement $(V)$ is correct; Aluminium forms a protective oxide layer on its surface when treated with concentrated nitric acid, making it passive.Thus, statements $(I, III, V)$ are correct.

Similar Questions

$H_3BO_3$ $\xrightarrow{T_1} X$ $\xrightarrow{T_2} Y$ $\xrightarrow{\text{red hot}} B_2O_3$
If $T_1 < T_2$,then $X$ and $Y$ respectively are:

What is the formula for meta-boric acid?

The stability of $+1$ oxidation state among $Al$,$Ga$,$In$ and $Tl$ increases in the sequence:

When orthoboric acid $(H_3BO_3)$ is heated,the residue left is:

The number of $P-H$ bond$(s)$ in $H_3PO_2, H_3PO_3$ and $H_3PO_4$,respectively,is

Vedclass Test Series

Exam Paper Generator

Online Exam Module