MCQ
The tendency to form monovalent compounds among the Group $13$ elements is correctly exhibited in :
- ✓$B < Al < Ga < In < Tl$
- B$Tl < In < Ga < Al < B$
- C$Tl \approx In < Ga < Al < B$
- D$B \approx Al \approx Ga \approx In \approx Tl$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

An ideal gas undergoes a cyclic transformation starting from the point $\mathrm{A}$ and coming back to the same point by tracing the path $\mathrm{A} \rightarrow \mathrm{B} \rightarrow \mathrm{C} \rightarrow \mathrm{A}$ as shown in the diagram. The total work done in the process is____ $J$.
Consider the following statements about borax :
$a.$ Each boron atom has four $B-O$ bonds
$b.$ Each boron atom has three $B-O$ bonds
$c.$ Two boron atoms have four $B-O$ bonds while other two have three $B-O$ bonds
$d.$ Each boron atom has one $-OH$ groups
Select correct statement(s) :