MCQ
Major product $(A)$ is
  • A

  • B


  • D

Answer

Correct option: C.

c
$(c)$ Wirting reaction

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

A $2.0 \,g$ sample containing $MnO _{2}$ is treated with $HCl$ liberating $Cl _{2}$. The $Cl _{2}$ gas is passed into a solution of $KI$ and $60.0\, mL$ of $0.1\, M\, Na _{2} S _{2} O_{3}$ is required to titrate the liberated iodine. The percentage of $MnO _{2}$ in the sample is $.....$ (Nearest integer)

[Atomic masses (in $u$) $Mn =55 ; Cl =35.5 ; O =16, I =127, Na =23, K =39, S =32]$

Among I-A elements, which element is gas at room temperature?
In the following sequence of reactions, the alkene affords the compound  $'B'$

$CH_3 - CH = CH - CH_3 \xrightarrow{{{O_3}}} A $$\xrightarrow[{Zn}]{{{H_2}O}} B.$

The compound $B$ is

Determine the element if its ground state has $13$ electrons in its "$M-$ shell".
The standard enthalpies of formation of $Al _{2} O _{3}$ and $CaO$ are $-1675\, kJ\, mol ^{-1}$ and $-635\, kJ\, mol ^{-1}$ respectively.

For the reaction $3 CaO +2 Al \rightarrow 3 Ca + Al _{2} O _{3}$ the standard reaction enthalpy $\Delta_{ r } H ^{0=}$ .......... $kJ$.

(Round off to the Nearest Integer).

The $pK_a$ of a weak acid $(HA)$ is $4.5$. The $pOH$ of an aqueous buffer solution of $HA$ in which $50\%$ of the acid is ionized is
The correct statement about the compounds $A$ and $B$ is
The acid rain is caused when air polluted by large volume of :
The wave no. of the first line of Balmer series of $H$ atom is $15200\ cm^{-1}$ . What is wave number of the first line of Lyman series of $Li^{2+}$ ................ $\mathrm{cm}^{-1}$
The number of electron bond pairs involved in the formation of hydrogen cyanide molecule are :