MCQ
The secondary structure of protein is stabilised by:
- APeptide bond
- Bglycosidic bond
- ✓Hydrogen bonding
- Dvan der Waals forces
$(a)$ $\alpha$ -Helix
$(b)$ $\beta$ -pleated sheet
In $\alpha$ -Helix structure, the poly peptide chain is coil around due to presence of Intramolecular H-Bonding.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Here en $=$ ethylene diamine

The product ' $X$ ' is:
$\mathop {\lim }\limits_{{X_A} \to 0} \left ( \frac{P_B^0}{X_B} \right )$ and $\mathop {\lim }\limits_{{X_B} \to 0}\left ( \frac{P_A^0}{X_A} \right )$ are
($\Delta _o =$ crystal field splitting energy in an octahedral field, $P =$ Electron pairing energy)
| List $- I$ | List $- II$ |
| $(a)$ $\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{3-}$ | $(i)$ $5.92 \,\mathrm{BM}$ |
| $(b)$ $\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+}$ | $(ii)$ $0 \,\mathrm{BM}$ |
| $(c)$ $\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{4-}$ | $(iii)$ $4.90\, \mathrm{BM}$ |
| $(d)$ $\left[\mathrm{Fe}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+}$ | $(iv)$ $1.73\, \mathrm{BM}$ |
Choose the correct answer from the options given below.