Chemistry - Complete Pblock- Question with Solution | TestHub

$\begin{array}{ccccccc}\text{A}& & \text{X}& & \text{Z}& & \text{Y}\\ {\text{Na}}_2{\text{B}}_4{\text{O}}_7& & {\text{H}}_3{\text{BO}}_3& & {\text{B}}_2{\text{O}}_3& & {\text{B}}_2{\text{H}}_6\end{array}$

$\begin{array}{ccccccc}\text{A}& & \text{X}& & \text{Z}& & \text{Y}\\ {\text{H}}_3{\text{BO}}_3& & {\text{Na}}_2{\text{B}}_4{\text{O}}_7& & {\text{B}}_2{\text{H}}_6& & {\text{B}}_2{\text{O}}_3\end{array}$

$\begin{array}{ccccccc}\text{A}& & \text{X}& & \text{Z}& & \text{Y}\\ {\text{B}}_2{\text{H}}_6& & {\text{B}}_2{\text{O}}_3& & H_3{\text{BO}}_3& & {\text{Na}}_2{\text{B}}_4{\text{O}}_7\end{array}$

$\begin{array}{ccccccc}\text{A}& & \text{X}& & \text{Z}& & \text{Y}\\ {\text{B}}_2{\text{O}}_3& & {\text{H}}_2{\text{B}\text{O}}_3& & {\text{Na}}_2{\text{B}}_4{\text{O}}_7& & {\text{B}}_2{\text{H}}_6\end{array}$