Download App

-p-Block elements - I — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry-p-Block elements - I1 Mark
MCQ
The number and type of bonds between $2$ carbon atoms in $Ca{C_2}$
  • A
    One sigma $(\sigma )$ and one pi $(\pi )$ bond
  • ✓
    One sigma $(\sigma )$ and two pi $(\pi )$ bond
  • C
    One sigma $(\sigma )$ and half pi $(\pi )$ bond
  • D
    One sigma $C{O_2}$ bond
✓

Answer

Correct option: B.
One sigma $(\sigma )$ and two pi $(\pi )$ bond
b
(b) $Ca{C_2}$ have one sigma and two pi $(\pi )$ bond.

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 -p-Block elements - I→-p-Block elements - I — all question types→Chemistry STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

Ionisation enthalpy $(\triangle _i \ H_1\  kJ\  mol^{-1})$ for the elements of Group $13$ follows the order.
→
In which of the following reaction conc. $H_2SO_4$ is acts as an oxidising agent?
→
Which of the following has $2-$ chiral carbon atoms
→
$.........$ does not expand on melting and does not contract on freezing:
→
Which of the following statement is correct for paper chromatography ?
→
Which compound is optically active
→
For the balanced redox reaction $aZn+b\, HNO_3 \to c\, Zn(NO_3)_2+d \,NH_4NO_3+3H_2O$, value of $b$ is
→
In Carius method for estimation of halogens, $0.2\, \mathrm{~g}$ of an organic compound gave $0.188 \,\mathrm{~g}$ of $\mathrm{AgBr}$. The percentage of bromine in the compound is ...... . (Nearest integer)

[Atomic mass: $\mathrm{Ag}=108, \mathrm{Br}=80$ ]

→
Which of the following is the most stable
→
In which of the following process, highest energy is absorbed ?
→