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 does not have a coordinate bond
Which among the following elements has the tendency to form covalent compounds
One fermi is $...$
→A student performs a titration with different burettes and finds titre values of $25.2\ mL, 25.25\ mL$ and $25.0\ mL.$ The number of significant figures in the average titre value is :
→A metal surface is exposed to $500\, \mathrm{~nm}$ radiation. The threshold frequency of the metal for photoelectric current is $4.3 \times 10^{14}\, \mathrm{~Hz}$. The velocity of ejected electron is $.......\,\times 10^{5} \mathrm{~ms}^{-1}$ (Nearest integer)
→[Use : $\left.\mathrm{h}=6.63 \times 10^{-34}\, \mathrm{Js}, \mathrm{m}_{\mathrm{e}}=9.0 \times 10^{-31}\, \mathrm{~kg}\right]$
Which overlap results in the formation of strongest bond
The number of species from the following which have square pyramidal structure is $PF _5, BrF _4^{-}, IF _5 ; BrF _5, XeOF _4, ICl _4^{-}$
→The total number of gm-molecules of $S{O_2}C{l_2}$ in $13.5\,g$ of sulphuryl chloride is
→Hydrogen bonding does not play a central role in the following phenomena
Assertion : Both $Be$ and $Al$ can form complexes such as $BeF_4^{2-}$ and $AlF_6^{3-}$ respectively, $BeF_6^{3-}$ is not formed.
Reason : In case of $Be$, no vacant $d-$ orbitals are present in its outermost shell.
→Reason : In case of $Be$, no vacant $d-$ orbitals are present in its outermost shell.