MCQ
How many chiral center (excluding $N$ centres) are there in morphine.?
- A$4$
- ✓$5$
- C$6$
- DMore than $6$
✓
Answer
Correct option: B.
$5$
b
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 representative element ?
Which is correct statement?
→As the $s-$ character of a hybrid orbital decreases
$(I)$ The bond angle decreases $(II)$ The bond strength increases
$(III)$ The bond length increases $(IV)$ Size of orbitals increases
For the reactions
$2NO\, + {O_2} \rightleftharpoons 2N{O_2}\,;\,{K_1}$
$4NO\, + 2C{l_2} \rightleftharpoons 4NOCl\,;\,{K_2}$
$N{O_2}\, + \frac{1}{2}C{l_2} \rightleftharpoons NOCl + \frac{1}{2}{O_2}\,;\,{K_3}$
where $K_1, K_2, K_3$ are equilibrium constants then $K_3^2$ equal to
→$2NO\, + {O_2} \rightleftharpoons 2N{O_2}\,;\,{K_1}$
$4NO\, + 2C{l_2} \rightleftharpoons 4NOCl\,;\,{K_2}$
$N{O_2}\, + \frac{1}{2}C{l_2} \rightleftharpoons NOCl + \frac{1}{2}{O_2}\,;\,{K_3}$
where $K_1, K_2, K_3$ are equilibrium constants then $K_3^2$ equal to
Ethanol cannot be dried by anhydrous $CaCl_2$ due to formation of the following solvated product
→Which of the following give ${H_2}$ gas with $Na$
→Which one of the following compounds is not coloured
Match items of column $I$ and $II$
→| Column $I$ (Mixture of compounds) | Column $II$ (Separation Technique) |
| $A$ $H _2 O / CH _2 Cl _2$ | $I$ Crystallization |
| $B$ $Image$ | $II$ Differential solvent extraction |
| $C$ Kerosene/Naphthalene | $III$ Column chromatography |
| $D$ $C _6 H _{12} O _6 / NaCl$ | $IV$ Fractional Distillation |
Correct match is : 
If the sum of $(n + l)$ is $6$ ; how many $e^{-1}\,s$ would have clock wise spin associated with this energy leval
→Empirical formula of a hydrocarbon containing $80\%$ carbon and $20\%$ hydrogen is
→The strength of bonds formed by $2s-2s,2 p-2p$ and $2p -2s$ overlap has the order
→