MCQ
Which of the following is Sanger reagent ?
- ✓$2,4$ -Di- nitro flurobenzene
- BPhenyl isocyanate
- C$2, 4$ -Di- nitro chlorobenzene
- D$2, 4$ -Di- nitro iodoberizene
✓
Answer
Correct option: A.
$2,4$ -Di- nitro flurobenzene
a
$(a)$
$(a)$
Sanger's reagent: A) $2,4-Dinitroflurobenzene$ structure:
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
Standard reduction potentials of the half reactions are given below :
→$F_{2(g)} + 2e^- \rightarrow 2F^-_{(aq)}\, ;$ $E^o = + 2.85\, V$
$Cl_{2(g)} + 2e^- \rightarrow 2Cl^-_{(aq)}\, ;$ $E^o = + 1.36\, V$
$Br_{2(l)} + 2e^- \rightarrow 2Br^-_{(aq)}\, ;$ $E^o = + 1.06\, V$
$I_{2(s)} + 2e^- \rightarrow 2I^-_{(aq)}\, ;$ $E^o = + 0.53\, V$
The strongest oxidising and reducing agents respectively are
If uncertainty in position and momentum are equal, then uncertainty in velocity is
Match the colum
→| Column $-I$ | Column $-II$ |
| (Atomic number) | (Position of element in Periodic table) |
| $(A)$ $Z = 37$ | $(P)$ $p-$ block |
| $(B)$ $Z = 42$ | $(Q)$ $f-$ block |
| $(C)$ $Z = 34$ | $(R)$ $d-$ block |
| $(D)$ $Z = 92$ | $(S)$ $s-$ block |
Number of metamers represented by molecular formula ${C_4}{H_{10}}O$ is
→The absolute value of the electron gain enthalpy of halogens satisfies
$CO + NaOH \to $
→A weak acid of dissociation constant $10^{-5}$ is being titrated with aqueous $NaOH$ solution. The $pH$ at the point of one-third neutralization of the acid will be:-
→The rate of reaction $A + 2B \to 3C$ becomes $72\, times$ when concentration of $A$ is tripled and concentration of $B$ is doubled then the order of reaction with respect to $A$ and $B$ respectively is
→Among the following, which one is a wrong statement?
Which of the following requires radical intermediate