Download App

4. Chemical bonding and molecular structure — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry4. Chemical bonding and molecular structure1 Mark
MCQ
The linear combination of atomic orbitals to form molecular orbitals takes place only when the combining atomic orbitals

$A$. have the same energy

$B$. have the minimum overlap

$C$. have same symmetry about the molecular axis

$D$. have different symmetry about the molecular axis

Choose the most appropriate from the options given below:

  • A
    $A, B, C$ only
  • ✓
    $A$ and $C$ only
  • C
    $B, C, D$ only
  • D
    $B$ and $D$ only
✓

Answer

Correct option: B.
$A$ and $C$ only
b
* Molecular orbital should have maximum overlap

* Symmetry about the molecular axis should be similar

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

Explore more

More "M.C.Q (1 Marks)" from 4. Chemical bonding and molecular structure→4. Chemical bonding and molecular structure — all question types→Chemistry STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

For the reaction $AB(g)\, \rightleftharpoons \,A(g) + B(g),\,AB$  is  $33.3\%$ dissociated at a total equilibrium pressure of $P.$ Therefore, $P$ is correctly related to $K_p$ by which of the following option
→
Which of the following reactions is the metal displacement reaction? Choose the right option.
→
The ionic radii of $\mathrm{F}^{-}$ and $O^{2-}$ respectively are $1.33\, A^o$ and $1.4\, A^o$, while the covalent radius of $\mathrm{N}$ is $0.74\,A^o$ 

The correct statement for the ionic radius of $\mathrm{N}^{3-}$ from the following is :

→
Which is the decreasing order of stability

$(i)$ $C{H_3} - \mathop C\limits^ + H - C{H_3}$

$(ii)$ $C{H_3} - \mathop C\limits^ + H - O - C{H_3}$

$(iii)$ $C{H_3} - \mathop C\limits^ + H - CO - C{H_3}$

→
In Heisenberg's uncertainty equation $\Delta x \times \Delta p \ge \frac{h}{{4\pi }}$; $\Delta p$ stands for
→
If two acids of equimolar concentration are taken then which option is correct
→
An alkene on ozonolysis gives methanal as one of the product. Its structure is
→
Select the hybrdisation which have non planar geometry when all are bond pair, but planar when there are $2$ lone pairs on central atom :
→
Which of the following pair consist of only paramagnetic species?
→
In the ration,

$X$ and $Y$ respectively are :-

→