MCQ
An example of a double salt is
  • A
    Bleaching powder
  • B
    Hypo
  • C
    ${K_4}[Fe{(CN)_6}]$
  • Potash alum

Answer

Correct option: D.
Potash alum
d
A double salt is a salt that contains more than one cation or more than one anion.

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 [Cr(H2​O)6​]3+ typically absorbs at around 574nm. It is allowed to react with ammonia to form a new complex [Cr(NH3​)6​]3+ that should have absorption at:
A solution of copper sulphate $(CuSO_4)$ is electrolysed for $10\, minutes$ with a current of $1.5\, amperes$. The mass of copper deposited at the cathode (at . mass of $Cu = 63\,u$) is ............ $\mathrm{g}$
Orthophosphoric acid represents the molaysis condition due to
During the qualitative analysis of $SO _3^{2-}$ using dilute $H _2 SO _4, SO _2$ gas is evolved which turns $K _2 Cr _2 O _7$ solution (acidified with dilute $H _2 SO _4$ ):
Which out of the following is a correct equation to show change in molar conductivity with respect to concentration for a weak electrolyte, if the symbols carry their usual meaning :
Which one of the statements conceming the equilibriurn shown is true ?
In $K_4[Ni(OX)_3]$, what is the sum of coordination number and oxidation number of Nickel
Match the reactions (in the given stoichiometry of the reactants) in List-$I$ with one of their products given in List-$II$ and choose the correct option.

List-$I$ List-$II$
$\mathrm{P}_2 \mathrm{O}_3+3 \mathrm{H}_2 \mathrm{O} \rightarrow$ $\mathrm{P}(\mathrm{O})\left(\mathrm{OCH}_3\right) \mathrm{Cl}_2$
$\mathrm{P}_4+3 \mathrm{NaOH}+3 \mathrm{H}_2 \mathrm{O} \rightarrow$ $\mathrm{H}_3 \mathrm{PO}_3$
$\mathrm{PCl}_5+\mathrm{CH}_3 \mathrm{COOH} \rightarrow$ $\mathrm{PH}_3$
$\mathrm{H}_3 \mathrm{PO}_2+2 \mathrm{H}_2 \mathrm{O}+4 \mathrm{AgNO}_3 \rightarrow$ $\mathrm{H}_3 \mathrm{PO}_4$

 

For electroplating a spoon, it is placed in the voltameter at
Compound $'P'$ on nitration with dil. $HNO _{3}$ yields two isomers $(A)$ and $(B).$ These isomers can be separated by steam distillation. Isomers $(A)$ and $(B)$ show the intramolecular and intermolecular hydrogen bonding respectively. Compound $(P)$ on reaction with conc. $HNO _{3}$ yields a yellow compound $'C',$ a strong acid. The number of oxygen atoms is present in compound ${ }^{\prime} C'\,....$