MCQ
Which compound gives yellow ppt. with iodine and alkali
- A$2-$ hydroxy ethane
- ✓Acetophenone
- CMethyl acetone
- DAcetamide
✓
Answer
Correct option: B.
Acetophenone
b
(b) $\mathop {C{H_3} - \mathop {\mathop C\limits_{||} }\limits_O {C_6}{H_5}}\limits_{{\text{Acetophenone}}} \mathop {\xrightarrow{{NaOH}}}\limits_{{I_2}} \mathop {CH{I_3}}\limits_{{\text{Yellow ppt}}{\text{.}}} + $
(b) $\mathop {C{H_3} - \mathop {\mathop C\limits_{||} }\limits_O {C_6}{H_5}}\limits_{{\text{Acetophenone}}} \mathop {\xrightarrow{{NaOH}}}\limits_{{I_2}} \mathop {CH{I_3}}\limits_{{\text{Yellow ppt}}{\text{.}}} + $
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 is not equal to zero in a cyclic process ?
Benzaldehyde on reaction with acetophenone in the presence of sodium hydroxide solution gives
Compound ' $B$ ' is
→Carboxylic acid have higher boiling points than aldehydes, ketones and even alcohols of comparable molecular mass. It is due to their
White lead is
Of the following, the largest value of entropy at $25^{\circ} C$ and $1\, atm$ is that of
→The value of rate constant $A + B \to $ products depends on
→The orange colour of $\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7$ and purple colour of $\mathrm{KMnO}_4$ is due to
→Which metal does not give the following reaction $M +$ water or steam $ \to $oxide $ + H$ $\downarrow$
→Five valence electrons of ${p^{15}}$ are labelled as If the spin quantum of $B$ and $Z$ is $ + \frac{1}{2}$, the group of electrons with three of the quantum number same are
→