MCQ
Conc. $H_2SO_4$ cannot be used to prepare $HBr$ from $NaBr$ because it :
- ✓reacts slowly with $NaBr$
- Boxidises $HBr$ into $Br_2$
- Creduces $HBr$
- Ddisproportionates $HBr$
✓
Answer
Correct option: A.
reacts slowly with $NaBr$
a
$\mathop {HOCl}\limits_{( + 1)} < \mathop {HCl{O_2}}\limits_{( + 3)} < \mathop {HCl{O_3}}\limits_{( + 5)} < \mathop {HCl{O_4}}\limits_{( + 7)} $
$\mathop {HOCl}\limits_{( + 1)} < \mathop {HCl{O_2}}\limits_{( + 3)} < \mathop {HCl{O_3}}\limits_{( + 5)} < \mathop {HCl{O_4}}\limits_{( + 7)} $
Acidic nature $ \propto EN \propto + O.S.$
For compounds of an element
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Which of the following have highest melting point
The slope of Arrhenius Plot $\left(\ln \mathrm{k}\,\, \mathrm{v} / \mathrm{s} \,\,\frac{1}{\mathrm{~T}}\right)$ of first order reaction is $-5 \times 10^{3} \,\mathrm{~K} .$ The value of $\mathrm{E}_{\mathrm{a}}$ of the reaction is. Choose the correct option for your answer. (In $\mathrm{~kJ} \mathrm{~mol}^{-1}$)
→$\left[\right.$ Given $\left.\mathrm{R}=8.314 \,\mathrm{JK}^{-1} \,\mathrm{~mol}^{-1}\right]$
$NaOCl$ is used as a bleaching agent and sterilising agent. It can be synthesized by the action of
→Which of the following is not a coenzyme?
Bone black is a polymorphic form of
For a first order gas phase reaction :
→$A _{( g )} \rightarrow 2 B _{( g )}+ C _{( g )}$
$P _{0}$ be initial pressure of $A$ and $P _{ t }$ the total pressure at time $'t'$. Integrated rate equation is :
Assertion : Magnetic moment values of actinides are lesser than the theoretically predicted values.
Reason : Actinide elements are strongly paramagnetic.
Molar concentration $(M)$ of any solution $=$
→Incorrect statement regarding following reactions is
→$Xe{F_6}\,\xrightarrow{{ + \,\,Excess\,\,{H_2}O}}\,'X'\, + \,HF$
$Xe{F_6}\,\xrightarrow{{ + 2\,\,\,{H_2}O}}\,'Y'\, + \,HF$
The above reaction is know as :-
