MCQ
Which acid is not an arrhenius acid
- A$HNO_3$
- B$HClO_4$
- ✓$H_3BO_3$
- D$H_3PO_4$
✓
Answer
Correct option: C.
$H_3BO_3$
c
$H_3BO_3 \Rightarrow B(OH)_3$
$H_3BO_3 \Rightarrow B(OH)_3$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Which of the following reaction is an elimination reaction ?
For the given reaction:
→$Image$
$P$ is
Considering the basic strength of amines in aqueous solution, which one has the smallest $pK_b$ value ?
→The number of electrons to balance the following equation $NO_3^ - + 4{H^ + } + {e^ - }\, \to \,2{H_2}O + NO$ is
→Which of these reagents would accomplish the following reduction ?
→$\begin{matrix}
O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \,\, \\
||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
N\equiv C-C{{H}_{2}}-C-C{{H}_{2}}-CH=C{{H}_{2}}\to \\
\end{matrix}$ $\begin{matrix}
OH\,\,\,\,\,\,\,\,\, \\
|\,\,\,\,\,\,\,\,\, \,\,\,\, \\
N\equiv C-C{{H}_{2}}-\underset{H}{\mathop{C}}\,-C{{H}_{2}}-CH=C{{H}_{2}} \\
\end{matrix}$
What amount of energy (in $KJ$ ) is released in the combustion of $5.8\,gm$ of $C_4H_{10}\,(g)$ ?
→$2{C_4}{H_{10(g)}}\, + \,13{O_{2(g)}}\, \to \,8C{O_{2(g)}}\, + \,10{H_2}{O_{(l)}}\,;$ $\Delta {H^o}\, = \, - \,5756\,KJ$
In given some reaction correct product match will be
→$(a)\,N{H_4}N{O_2}\xrightarrow{\Delta }{N_2} + {H_2}O$
$(b)\,N{H_4}N{O_3}\xrightarrow{\Delta }{N_2}O + {H_2}O$
$(c)\,N{a_2}C{O_3}\xrightarrow{\Delta }N{a_2}O + C{O_2}$
$(d)\,N{H_4}Cl\xrightarrow{\Delta }N{H_3} + HCl$
Laboratory method for the preparation of acetyl chloride is
On Pauling scale which of the following does not have electronegativity $ \ge $ $3.0$
→$\underbrace {2NO + {O_2}}_{(X)} \rightleftharpoons \underbrace {2N{O_2}}_{(Y)}\underset{{heat}}{\overset{{cold}}{\longleftrightarrow}}\underbrace {{N_2}{O_4}}_{(Z)}$
→$X, Y$ and $Z$ can be described as