MCQ
de-Broglie equation is
- A$n\lambda = 2d\sin \theta $
- B$E = hv$
- C$E = m{c^2}$
- ✓$\lambda = \frac{h}{{mv}}$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Statement $I :$ The presence of weaker $\pi$ - bonds make alkenes less stable than alkanes.
Statement $II :$ The strength of the double bond is greater than that of carbon-carbon single bond.
In the light of the above statements, choose the correct answer from the options given below.
| $A$ | $B$ | $C$ | |
| $IE_1$ | $400$ | $550$ | $1150$ |
| $IE_2$ | $2650$ | $1070$ | $2090$ |
Identify the element which represent a nonmetal.