MCQ
Iodine exists in which form in iodised salt
  • $I_2$
  • B
    $NaIO_3$
  • C
    $ICl$
  • D
    $IO_4^-$

Answer

Correct option: A.
$I_2$
a
$2 KMnO _{4}+16 HCl \rightarrow 2 MnCl _{2}+2 KCl +8 H _{2} O + Cl _{2}$

$HCl$ gets oxidised by $KMnO _{4}$ into $Cl _{2}$

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 of the following isomerism is not possible for complexes having molecular  formulae ? 

$(I)\, Pt(SCN)_2 - 3PEt_3,$   $(II)\,CoBr ·SO_4 · 5NH_3$  $(III)\, FeCl_2 · 6H_2O$

The uncertainty in momentum of an electron is $1 \times {10^{ - 5}}kg - m/s$. The uncertainty in its position will be ($h = 6.62 \times {10^{ - 34}}\,kg - {m^2}/s$)
Given below are two statements: one is labelled as Assertion $A$ and the other is labelled as Reason $R$ : Assertion $A:$ The first ionisation enthalpy decreases across a period.

Reason $R:$ The increasing nuclear charge outweighs the shielding across the period.

In the light of the above statements, choose the most appropriate from the options given below:

Three sparingly soluble salts$M_2 X, M X$ and $M X$ have same value of solubility product. Their solubilities follows the order :
Consider the following reaction

$MnO _{4}^{-}+8 H ^{+}+5 e ^{-} \rightarrow Mn ^{2+}+4 H _{2} O , E ^{\circ}=1.51 V$

The quantity of electricity required in Faraday to reduce five moles of $MnO _{4}^{-}$ is ..... .

What fraction of chlorine will be precipitated as $AgCl$ by using $AgNO_3$ from $[CrCl(NH_3)_5]Cl_2$
The correct order of acidic strength
Resistance of a conductivity cell (cell constant $129 \;m ^{-1}$ ) filled with $74.5\; ppm$ solution of $KCl$ is $100\; \Omega$ (labelled as solution 1). When the same cell is filled with $KCl$ solution of $149 \;ppm$, the resistance is $50\; \Omega$ (labelled as solution 2). The ratio of molar conductivity of solution $1$ and solution $2$ is i.e. $\frac{\wedge_{1}}{\wedge_{2}}=x \times 10^{-3}$. The value of $x$ is

(Nearest integer)

Given, molar mass of $KCl$ is $74.5 g mol ^{-1}$

In which of the following compound central metal atom has maximum no. of unpaired $e^-s$ ?
Dehydration of ethanol gives