MCQ
In which pair second ion is more stable than first?
  • A
    $(i)$ and $(ii)$
  • $(ii)$ and $(iii)$
  • C
    $(ii)$ and $(iv)$
  • D
    $(iii)$ and $(iv)$

Answer

Correct option: B.
$(ii)$ and $(iii)$
b
$(b)\, (ii)$ and $(iii)$ $2^{nd}$ ion is aromatic

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

For a spontaneous process:
The $pH$ at which $\mathrm{Mg}(\mathrm{OH})_2\left[\mathrm{~K}_{\mathrm{sp}}=1 \times 10^{-11}\right]$ begins to precipitate from a solution containing $0.10 \ \mathrm{M}$ $\mathrm{Mg}^{2+}$ ions is_____
Which of the following combination of statements is true regarding the interpretation of the atomic orbitals?

$(1)$ An electron in an orbital of high angular momentum stays away from the nucleus than an electron in the orbital of lower angular momentum.

$(2)$ For a given value of the principal quantum number, the size of the orbit is inversely proportional to the azimuthal quantum number

$(3)$ According to wave mechanics, the ground state angular momentum is equal to $\frac {h}{2\pi }$

$(4)$ The plot of $\Psi \,\,Vs\,\,r$ for various azimuthal quantum numbers, shows peak shifting towards higher $r$ value

The structure of diborane $({B_2}{H_6})$ contains
An endothermic reaction is one in which
How many primary, secondary, tertiary and quaternary carbons are present in the following hydrocarbon

$C{H_3} - CH(C{H_3}) - C{(C{H_3})_2} - C{H_2} - CH(C{H_3}) - C{H_2} - C{H_3}$

 

Primary

Secondary

Tertiary

Quaternary

 $(a)$

         $6$

         $2$

       $2$

         $1$

 $(b)$

         $2$

         $6$

       $3$

         $0$

 $(c)$

        $2$

        $4$

       $3$

         $2$

 $(d)$

        $2$

        $2$

       $4$

         $3$

Decide the correct order of stability of following carbocation :-
An exothermic reaction is one in which the reacting substances
An analyst wants to convert. $1 L\,HCl$ of $pH =1$ to a solution of $HCl$ of $pH 2$. The volume of water needed to do this dilution is $......\,mL$. (Nearest Integer)
Select the suitable reagent for above conversion.