- A2nd and 3rd periods
- B1st and 2nd periods
- CII and III groups
- D3rd and 4th periods
Explanation:
A diagonal relationship exists between certain pairs of diagonally adjacent elements in the second and third periods of the periodic table.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$(A)$ $\Delta U = q + p \Delta V$
$(B)$ $\Delta G =\Delta H - T \Delta S$
$(C)$ $\Delta S =\frac{ q _{ rev }}{ T }$
$(D)$ $\Delta H =\Delta U -\Delta nRT$
Choose the most appropriate answer from the options given below :
| List$-I$ | List$-II$ |
| $(a)$ $\mathrm{NaOH}$ | $(i)$ Acidic |
| $(b)$ $\mathrm{Be}(\mathrm{OH})_{2}$ | $(ii)$ Basic |
| $(c)$ $\mathrm{Ca}(\mathrm{OH})_{2}$ |
$(iii)$ Amphoteric |
| $(d)$ $\mathrm{B}(\mathrm{OH})_{3}$ | |
| $(e)$ $\mathrm{Al}(\mathrm{OH})_{3}$ |
Choose the most appropriate answer from the option given below :

$\,\begin{array}{*{20}{c}}
{\,C{H_3} - \,CH - \,CH = C{H_2}\,\xrightarrow{{B{r_2}/aq.NaCl}}} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,}
\end{array}$