MCQ
Which among the following compound show optical activity
- A
- B
- C
- ✓
✓
Answer
Correct option: D.
d
plane of symmetry and centre of symmetry absent $\therefore$ optically active
plane of symmetry and centre of symmetry absent $\therefore$ optically active
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
Match the coordination number and type of hybridisation with distribution of hybrid orbitals in space based on Valence bond theory.
→| Coordination number and type of hybridisation | Distribution of hybrid orbitals In space |
| $(a)$ $4, sp ^{3}$ | $(i)$ trigonal bipyramidal |
| $(b)$ $4, dsp ^{2}$ | $(ii)$ octahedral |
| $(c)$ $5, sp ^{3} d$ | $(iii)$ tetrahedral |
| $(d)$ $6, d ^{2} sp ^{3}$ | $(iv)$ square planar |
Select the correct option
In an isochoric process the increase in internal energy is
A certain weak base has a dissociation constant $2 \times 10^{-5}$. The equilibrium constant for its neutralisation reaction with strong acid is
→Match List $I$ with List $II$
→| List $-I$ (Atomic Number) | List $-II$ (Block of periodic table) |
| $A$ $37$ | $I$ $p-$block |
| $B$ $78$ | $II$ $d-$block |
| $C$ $52$ | $III$ $f-$block |
| $D$ $65$ | $IV$ $s-$block |
નીચે આપેલા વિકલ્પોમાંથી યોગ્ય ઉત્તરની પસંદગી કરો.
The atomic number of an element is $17$. The number of orbitals containing electron pairs in its valence shell is
→Diethyl ether and methyl $n-$propyl ether are
→The average molar mass of air becomes more in presence of which gas if present in air:
Which of the following processes is a nonspontaneous process?
$20\, ml$ solution contains $0.1\, M, NH_4Cl$ and $0.01\, M\, NH_4OH$. By adding which one its $pH$ will not change ?
→An atom has $26$ electrons and its atomic weight is $56.$ The number of neutrons in the nucleus of the atom will be
→