MCQ
$\alpha -D$ Glucopyranose and $\beta -D$ Glucopyranose are
- ✓Anomers
- BEpimer
- CDiasteriomers
- DMeso compound
✓
Answer
Correct option: A.
Anomers
a
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
The number of tripeptides formed by three different amino acids using each amino acid once is.................
Which of the following metals of 3 d series has the lowest melting point?
$1-$methyl ethylene oxide when treated with an excess of $HBr$ produces
→A solution containing $12.5\, g $ of non-electrolyte substance in $250\, g$ of water shows boiling point elevation of $0.52\, K.$ Calculate the molar mass of the substance. $(K_b = 0.52\, K \, kg \,mol^{-1})$ ......... $g \,mol^{-1}$.
→Rate of $S_{N^2}$ reaction is
→$A$ and $B$ decompose via first order kinetics with half-lives $54.0\, min$ and $18.0\, min$ respectively. Starting from an equimolar non reactive mixture of $A$ and $B$, the time taken for the concentration of $A$ to become $16$ times that of $B$ is ...... $min.$ (Round off to the Nearest Integer).
→Acetamide is treated with the following reagents separately. Which one of these would yield methyl amine?
Two compounds $A$ and $B$ with same molecular formula $\left( C _{3} H _{6} O \right)$ undergo Grignard's reaction with methylmagnesium bromide to give products $C$ and $D$. products $C$ and $D$ show following chemical tests.
→| Test | $C$ | $D$ |
| Ceric ammonium nitrate Test | Positive | positive |
| Lucas Test | Turbidity obtained after five minutes | Turbidity obtained immediately |
| Iodoform Test | Positive | Negative |
$C$ and $D$ respectively are
A Substance undergoes first order decomposition. The decomposition follows two parallel first order reactions asThe percentage distribution of $B$ and $C$ are
→$A\,\xrightarrow{{{k_1}}}B$ ${k_1}\, = \,1.26\, \times \,{10^{ - 4}}\,{S^{ - 1}}$
$A\,\xrightarrow{{{k_2}}}C$ ${k_2}\, = \,3.8\, \times \,{10^{ - 5}}\,{S^{ - 1}}$
The pressure of $H_2$ required to make the potential of $H_2-$ electrode zero in pure water at $298\, K$ is
→