MCQ
A reaction having equal activation energies for forward and reverse reaction has
- A$\Delta H = 0$
- B$\Delta S = 0$
- CZero order
- ✓Both$ (a)$ and $ (b)$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

(First dissociation constant of $H _{2} CO _{3}=4.0 \times 10^{-7}$$\log 2=0.3 ;$ density of the soft $\left.\operatorname{drink}=1\, g\, mL ^{-1}\right)$
| Column $J$ Molecule | Column $K$ $\operatorname{BDE}( kcal mol -1)$ |
| $(P) \ H - C H \left( CH _3\right)_2$ | ${ (i) } 132$ |
| $(Q) \ H - CH _2 Ph$ | ${ (ii) } 110$ |
| $(R) \ H - C H = CH _2$ | ${ (iii) } 95$ |
| $(S) \ H - C \equiv CH$ | ${ (iv) } 88$ |
