MCQ
Acidified $KMn{O_4}$ is decolourzed by
- ✓$B{r_2}$
- B${O_3}$
- C$HCl$
- D$HBr$
✓
Answer
Correct option: A.
$B{r_2}$
a
It’s Obvious.
It’s Obvious.
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
Essential constituent of an amalgam is
Consider the following reaction
→The correct statement for product $B$ is. It is
Reaction, ${H_2}(g) + {I_2}(g) \to 2HI(g)$ $\Delta H = - 12.40\,kcal$. According to this, the heat of formation of $ HI $ will be......$kcal$
→Aqueous solution of an acid is characterised by the presence of
For the Galvanic cell :
→$Ag(s)\,\,|\,\,A{g_2}{C_2}{O_4}(s)\,\,|\,\,{C_2}O_4^{2 - }(0.02\,M)\,\,||\,\,A{g^ + }(0.5\,M)\,\,|\,\,Ag(s)$
$EMF$ of cell is $0.264\ V$ at $25\,^oC$ . $K_{sp}$ of $Ag_2C_2O_4(s)$ is
$\left[ {Given = \frac{{2.303 \times 8.314 \times 298}}{{96500}} = \frac{{2.303RT}}{F} = 0.06,\,\log 2 = 0.3} \right]$
Which statement is wrong for $NO$
→The conductivity of a $0.05 \,M$ solution of a weak monobasic acid is $10^{-3} 5 \,cm ^{-1}$. If $\lambda_{ m }^{\infty}$ for weak acid is $5005 \,cm ^{2} \,mol ^{-1},$ calculate $K _{ a }$ of weak monobasic acid :
→All form ideal solutions except
In the series of reaction
→${C_6}{H_5}N{H_2}\mathop {\xrightarrow{{NaN{O_2}/HCl}}}\limits_{0 - 5\,^o C} X\mathop {\xrightarrow{{HN{O_2}}}}\limits_{C{H_2}O} Y + {N_2} + HCl$
$X$ and $Y$ are respectively
According to Le-chatelier's principle, an increase in the temperature of the following reaction will
→${N_2} + {O_2}$ $\rightleftharpoons$ $2NO - 43,200\,kcal$