MCQ
Auto-oxidation of bleaching powder gives
  • A
    only calcium chlorate
  • only calcium chloride
  • C
    only calcium hypochlorite
  • D
    both $(A)$ and $(B)$

Answer

Correct option: B.
only calcium chloride
b
$Br_2$, formed by adding chlorine water to a solution of $KBr$, further reacts with $Cl_2$ to form reddish yellow or orange red $BrCl$.

              $Br_2 + Cl_2 \to 2BrCl$

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

Which optically active compound on reduction with $LiAlH_4$ will give optically inactive compound ?
The cell reaction of a cell is $M{g_{(s)}} + C{u^{2 + }}(aq) \to C{u_{(s)}} + M{g^{2 + }}(aq)$ If the standard reduction potentials of $Mg$ and $Cu$ are $ - \,2.37$ and $ + \,0.34\,V$ respectively. The emf of the cell is ................. $\mathrm{V}$
$N_2O_5$ decomposes to $NO_2$ and $O_2$ and follows first order kinetics . After $50\, minutes$, the pressure inside the vessel increases from $50\, mm\,Hg$ to $87 .5\, mm \,Hg$. The pressure of the gaseous mixture after $100\, minutes$ at constant temperature will be ........... $mm\,Hg$
Molal depression constant for a solvent is $4.0\, K\, Kg\, mol^{-1}$. The depression in the freezing point of the solvent for $0.03\, mol\, kg^{-1}$ solution of $K_2SO_4$ is .............. $\mathrm{K}$ (Assume complete dissociation of the electrolyte)
Which amino acid does not contain chiral centre ?
Ligands, in complex compounds
All but one of the following compounds react with aniline to give acetanilide.  Which one does not?
The number of Faradays $(F)$ required to produce $20\, g$ of calcium from molten $CaCl _{2}$(Atomic mass of $\left. Ca =40\, g\, mol ^{-1}\right)$ is 
Alkyl halides are prepared from alcohols by treating with
Which of the following are anionic detergents?
$a.$ Sodium salts of sulphonated long chain alcohol.
$b.$ Ester of stearic acid and polyethylene glycol.
$c.$ Quarternary ammonium salt of amine with acetate ion.
$d.$ Sodium salts of sulphonated long chain hydrocarbons.