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.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

$\Lambda_{ m }^{\infty}$ for $NaCl , HCl$ and NaA are 126.4, 425.9 and $100.5 S cm ^2 mol^{-1}$ respectively. If the conductivity of 0.001 M HA is $5 \times 10^{-5} Scm ^{-1}$, degree of dissociation of HA is
Chlorine can remove
In a bimolecular reaction, the steric factor $P$ was experimentally determined to be $4.5$ . The correct option(s) among the following is(are)

$[A]$ The activation energy of the reaction is unaffected by the value of the steric factor

$[B]$ Experimentally determined value of frequency factor is higher than that predicted by Arrhenius equation

$[C]$ Since $P=4.5$, the reaction will not proceed unless an effective catalyst is used

$[D]$ The value of frequency factor predicted by Arrhenius equation is higher than that determined experimentally

For the following Assertion and Reason, the correct option is

Assertion $(A)$ $:$ When Cu $(II)$ and sulphide ions are mixed, they react together extremely quickly to give a solid.

Reason $(R)$ $:$ The equilibrium constant of $Cu ^{2+}( aq )+ S ^{2-}( aq ) \rightleftharpoons \operatorname{CuS}( s )$ is high because the solubility product is low.

 

An aqueous solution of sodium carbonate is alkaline because sodium carbonate is a salt of
Which of the following metal hydroxide is not soluble in excess of $NH_3$ solution ?
Sodium oxalate on heating with conc. ${H_2}S{O_4}$ gives
The transitional metal which shows oxidation state from $+2$  to $+7 $ belong to group
The resonance energy of following heterocycles is in the order
The $IUPAC$ name of $[Ni(NH_3)_4]\, [NiCl_4]$ is