MCQ
Diazo-coupling is useful to prepare some
- ✓Dyes
- BProteins
- CPesticides
- DVitamins
✓
Answer
Correct option: A.
Dyes
a
(a)Diazo-coupling is useful to prepare some dyes.
(a)Diazo-coupling is useful to prepare some dyes.
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
The freezing point of equimolal aqueous solution will be highest for
Maximum solubility of alcohol in water is due to
For a reaction ,$A + {B^2}\, \to \,B + {A^{ + 2}};\,\,{E^o} = 0.2955\,\,V$ Hence equilibrium constant of the reaction is at $25\,^oC$
→$3$ moles of $P$ and $2$ moles of $Q$ are mixed, what will be their total vapour pressure in the solution if their partial vapour pressures are $80$ and $60$ torr respectively?
→The order of the oxidation state of the phosphorus atom in $\mathrm{H}_3 \mathrm{PO}_2, \mathrm{H}_3 \mathrm{PO}_4, \mathrm{H}_3 \mathrm{PO}_3$, and $\mathrm{H}_4 \mathrm{P}_2 \mathrm{O}_6$ is
→Which of the following expressions correctly represents the equivalent conductance at are the equivalent conductances infinite dilution of $Al_2(SO_4)_3 .$ Given that $\mathop {{\Lambda _{A{l^{3 + }}}}}\limits^{o\,\,\,\,\,\,\,\,\,\,\,\,\,} $ and $\mathop {{\Lambda _{SO_4^{2 - }}}}\limits^{o\,\,\,\,\,\,\,\,\,\,\,} $ are the equivalent conductances at infinite dilution of the respective ions?
→In which of the following method of purification, metal is converted to its volatile compound which is decomposed to give pure metal?
$a.$ Heating with stream of carbon monoxide.
$b.$ Heating with iodine
$c.$ Liquation.
$d.$ Distillation.
→$a.$ Heating with stream of carbon monoxide.
$b.$ Heating with iodine
$c.$ Liquation.
$d.$ Distillation.
Arrange these haloalkanes in correct order of density:
The compounds $\mathrm{P}, \mathrm{Q}$ and $\mathrm{S}$ $Image$ were separately subjected to nitration using $\mathrm{HNO}_3 / \mathrm{H}_2 \mathrm{SO}_4$ mixture. The major product formed in each case respectively, is
→For the cell reaction $C{u^{2 + }}_{({C_1}aq)} + Zn(s) \Rightarrow Z{n^{2 + }}_{({C_2}aq)} + Cu(s)$ of an electrochemical cell, the change in free energy at a given temperature is a function of
→