Question
Which statement is incorrect
✓
Answer
c
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
The energy required to release $ 1$ electron from $H{e^ + }$ is ............ $\mathrm{eV}$
→For the transformation the reagent used is
Identify the state function among the following
The heating of phenyl methyl ether with $HI$ produces
→The $NaNO _{3}$ weighed out to make $50\, mL$ of an aqueous solution containing $70.0 \,mg \,Na ^{+}$ per $mL$ is $...... \,g$.
→(Rounded off to the nearest integer) [Given : Atomic weight in $g\, mol ^{-1}- Na : 23$; $N : 14 ; O : 16]$
An acidic solution of dichromate is electrolyzed for $8$ minutes using $2$ $A$ current. As per the following equation
→$Cr _{2} O _{7}^{2-}+14 H ^{+}+6 e ^{-} \rightarrow 2 Cr ^{3+}+7 H _{2} O$
The amount of $Cr ^{3+}$ obtained was $0.104\, g$. The
efficiency of the process(in\%) is
(Take : $F =96000\, C$, At. mass of chromium $=52$ )
$\underset{{{S}^{o}}(298\,K)\,{{K}^{-1}}\,mo{{l}^{-1}}}{\mathop{{{H}^{+}}(aq)}}\,+\underset{-10.7}{\mathop{O{{H}^{-}}(aq)}}\,\xrightarrow{{}}\underset{+70}{\mathop{{{H}_{2}}O(l)}}\,$
→Standard entropy change for the above reaction is .....$J\,{K^{ - 1}}\,mo{l^{ - 1}}$
Chlorine gas is dried over
Collin’s reagent is
The $pH$ of the solution obtained on neutralisation of $40\, mL\, 0.1\, M\, NaOH$ with $40\, mL\, 0.1\, M\, CH_3COOH$ is
→