MCQ
Identify most acidic hydrogen in given compound.
  • $a$
  • B
    $b$
  • C
    $c$
  • D
    $d$

Answer

Correct option: A.
$a$
a
is most acidic $'H'$ because resulting anion has $2$ -equivalent $R.S.$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

Aluminium $(III)$ chloride forms a dimer because
Which of the following does not depend on stable electronic configuration ?
Match List-$I$ with the List-$II$

List-$I$

Reaction

List-$II$

Type of redox reaction

$(A)$ $\mathrm{N}_{2(\mathrm{~g})}+\mathrm{O}_{2(\mathrm{~g})} \rightarrow 2 \mathrm{NO}_{(\mathrm{g})}$ $(I)$ Decomposition
$(B)$ $\begin{aligned} & 2 \mathrm{~Pb}\left(\mathrm{NO}_3\right)_{2(\mathrm{~s})} \rightarrow 2 \mathrm{PbO}_{(\mathrm{s})}+4 \mathrm{NO}_{2(\mathrm{~g})}+\mathrm{O}_{2(\mathrm{~g})}\end{aligned}$ $(II)$ Displacement
$(C)$ $\begin{aligned} 2 \mathrm{Na}_{(\mathrm{s})}+2 \mathrm{H}_2 \mathrm{O}_{(\mathrm{l})} \rightarrow 2 \mathrm{NaOH}_{(\mathrm{aq} .)}+\mathrm{H}_{2(\mathrm{~g})}\end{aligned}$ $(III)$ Disproportionation
$(D)$ $\begin{aligned} 2 \mathrm{NO}_{2(\mathrm{~g})}+2-\mathrm{OH}_{(\mathrm{aq})} \rightarrow \mathrm{NO}_{2(\mathrm{aq} .)}^{-}+\mathrm{NO}_{3(\mathrm{qq} .)}^{-}+\mathrm{H}_2 \mathrm{O}_{(\mathrm{l})}\end{aligned}$ $(IV)$ Combination

Choose the correct answer from the options given below:

$K_{sp}$ for $BaSO_4$ at $25\,^oC$ is $1.1 \times 10^{-10}$. To make the new solubility equal to $1.1 \times 10^{-8}$, it is necessary to use the solution of $Na_2SO_4$ of the following concentration....$M$
Variable valency in general, is exhibited by
Which of the following statements about a compound is incorrect?
$p$ and $n-$type of semiconductors are formed due to
The enthalpy of neutralization of which of the following acids and bases is nearly $ - 13.6\,Kcal$
Hydrolysis of sucrose is glven by the following reactlon.

Sucrose $+$ $H _{2} O \rightleftharpoons$ Glucose $+$ Fructose

If the equilibrium constant $\left( K _{c}\right)$ is $2 \times 10^{13}$ at $300\, K$, the value of $\Delta_{ r } G^{\Theta}$ at the same temperature will be:

Given

$(A)\, n = 5, m_l= + 1$
$(B)\, n =2,  l =1, m_l= -1, m_s = -1/2$
The maximum number of electron$(s)$ in an atom that can have the quantum numbers as given in $(A)$ and $(B)$ are respectively