MCQ
Which of the following compounds are meso forms ?
- A$1$ only
- ✓$3$ only
- C$1$ and $2$
- D$2$ and $3$
✓
Answer
Correct option: B.
$3$ only
b
Meso $\to$ Compounds having chiral centres and have plane or centre of symmetry are known as meso compound.
Meso $\to$ Compounds having chiral centres and have plane or centre of symmetry are known as meso compound.
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 molecules does not have co- ordinate bonds?
In compound $X$, all the bond angles are exactly ${109^o}28',$ $X$ is
→Amino acids usually exist in the form of Zwitter ions. This means that it consists of
A student was carrying out a Grignard reaction between $PhMgBr$ and ethyl benzoate. She ran out of anhydrous ether just after the Grignard reagent was made. Which of the following solvents can still be used to dissolve the ethyl benzoate for its reaction with already formed $PhMgBr$ ?
→$Fe,$ $Co$ and $Ni$ have valuable catalytic properties in process involving
→Match $List-I$ with $List-II$, match the gas evolved during each reaction.
→| $List-I$ | $List-II$ |
| $A$ $\left( NH _{4}\right)_{2} Cr _{2} O _{7} \stackrel{\Delta}{\longrightarrow}$ | $I$ $H _{2}$ |
| $B$ $KMnO _{4}+ HCl \rightarrow$ | $II$ $N _{2}$ |
| $C$ $Al + NaOH + H _{2} O \rightarrow$ | $III$ ${ O _{2}}$ |
| $D$ $NaNO _{3} \stackrel{\Delta}{\longrightarrow}$ | $IV$ ${ Cl _{2}}$ |
Choose the correct answer from the options given below.
For dry cleaning of clothes instead of tetrachloroethane which is carcinogen in nature, which of the following solvents can be used?
Propene when heated with chlorine at about ${500\,^o}C$ forms
→$RNA$ is different from $DNA$ because $RNA$ contains
→A solution of $\mathrm{H}_2 \mathrm{SO}_4$ is $31.4 \% \mathrm{H}_2 \mathrm{SO}_4$ by mass and has a density of $1.25 \mathrm{~g} / \mathrm{mL}$. The molarity of the $\mathrm{H}_2 \mathrm{SO}_4$ solution is _____________$\quad \mathrm{M}$ (nearest integer)[Given molar mass of $\mathrm{H}_2 \mathrm{SO}_4=98 \mathrm{~g} \mathrm{~mol}^{-1}$ ]
→