MCQ
The heat content of a system is called
- AInternal energy
- BEntropy
- CFree energy
- ✓Enthalpy
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

$N_2H_5 ^+ + NH_3$ $\rightleftharpoons $ $NH_4^+ + N_2H_4$
$NH_3 + HBr $ $\rightleftharpoons $ $NH_4^+ + Br^-$
$N_2H_4 + HBr$ $\rightleftharpoons $ $N_2H_5^+ + Br^-$
Based on this information, what is the order of acidic strength -

Use your knowledge of alkene chemistry to predict a product even though you have never seen this reaction before