The incorrect order of $1^{st}$ $IP$ of the elements is
The incorrect order of $1^{st}$ $IP$ of the elements is
- A
$Al > Ga$
- B
$P > S$
- C
$Cu < Zn$
- D
$Zr < Hf$
Similar Questions
Aluminium is more reactive than iron. But aluminium is less easily corroded than iron because
Aluminium is more reactive than iron. But aluminium is less easily corroded than iron because
Compare $\pi - $ bond strength between $B$ and $N$ given in two compounds
$(I)$ $\begin{array}{*{20}{c}}
{{{\left( {C{H_3}} \right)}_3}Si - NB{H_2}}\\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|}\\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,Si{{(C{H_3})}_3}}
\end{array}$ $(II)$ $\begin{array}{*{20}{c}}
{{{\left( {C{H_3}} \right)}_3}C - NB{H_2}}\\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|}\\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{{(C{H_3})}_3}}
\end{array}$
Compare $\pi - $ bond strength between $B$ and $N$ given in two compounds
$(I)$ $\begin{array}{*{20}{c}}
{{{\left( {C{H_3}} \right)}_3}Si - NB{H_2}}\\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|}\\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,Si{{(C{H_3})}_3}}
\end{array}$ $(II)$ $\begin{array}{*{20}{c}}
{{{\left( {C{H_3}} \right)}_3}C - NB{H_2}}\\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|}\\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{{(C{H_3})}_3}}
\end{array}$
Match List$-I$ with List$-II :$
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 :
Match List$-I$ with List$-II :$
| 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 :
- [JEE MAIN 2021]
Correct Lewis acidity order of $BX_3$ is
Correct Lewis acidity order of $BX_3$ is
What is not true about borax ?
What is not true about borax ?