MCQ
Aldehyde turns pink with
- ABenedict solution
- ✓Schiff reagent
- CFehling solution
- DTollen's reagent
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$N_2H_5 ^+ + NH_3$ $\rightleftharpoons $ $NH_4^+ + N_2H_4$
$NH_3 + HBr $ $\rightleftharpoons $ $NH_4^+ + Br^-$
$N_2H_4 + HBr$ $\rightleftharpoons $ $N_2H_5^+ + Br^-$
Based on this information, what is the order of acidic strength -
$Pt(s)|\mathop {{H_2}(g)}\limits_{1\ atm} |HA\,\,\,\,\,\mathop {1\,M}\limits_{({K_a} = {{10}^{ - 7}})} \,\,||\,HB\,\,\,\,\,\mathop {1\,M}\limits_{({K_1} = {{10}^{ - 5}})}$
$\,|\mathop{{H_2}(g)}\limits_{1\ atm} |Pi(s)$
${\left[ {Fe{{\left( {CN} \right)}_6}} \right]^{ - 4}}\,\xrightarrow{{MnO_4^ - /{H^ + }}}F{e^{ + 3}} + C{O_2} + NO_3^ - $