MCQ
The number and type of bonds in $C_2^{2 - }$ ion in $CaC_2$ are
- AOne $\sigma $ bond and one $\pi - $ bond
- ✓One $\sigma $ bond and two $\pi - $ bond
- CTwo $\sigma $ bond and two $\pi - $ bond
- DTwo $\sigma $ bond and one $\pi - $ bond
✓
Answer
Correct option: B.
One $\sigma $ bond and two $\pi - $ bond
b
The structure of $CaC_2$ is $Ca^{2+}$ $[: C \equiv C :]^{2-}$ i.e, one $\sigma $ and two $\pi $ bonds
The structure of $CaC_2$ is $Ca^{2+}$ $[: C \equiv C :]^{2-}$ i.e, one $\sigma $ and two $\pi $ bonds
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
Propene and propyne can be differentiated by :
The solubility of a salt $A_2B_3$ is $10^{-3}\, M$ then what will be its solubility product ?
→The $IUPAC$ name of is
→ 
A naturally occurring substance has the constitution shown below. How many may have this constitution ?
The compound that is most reactive towards electrophilic nitration is
A very dilute acidic solution of $Cd^{2+}$ and $Ni^{2+}$ gives only yellow ppt. of $CdS$ on passing $H_2S$, this is due to
→At $1050$ $Kelvin$ , For chemical reaction $FeO_{(s)} + CO_{(g)} \rightleftharpoons Fe_{(s)} + CO_{2(g)} ; K_p = 0.25$ What are the equilibrium partial pressure of $CO_{(g)}$ and $CO_{2(g)}$ at $1050$ $Kelvin$ , if the initial partial pressure are ; $P_{{CO}_{( g)}} = 1.6\, atm$ and $P_{{CO_2}_{( g )}} = 0.8\, atm$
→If the concentration of glucose $\ce{(C_6H_{12}O_6)}$ in blood is $0.9gL^{-1}$, what will be the molarity of glucose in blood?
→
The above potential energy curve is given for the formation of $\ce{H_2}$ molecule as a function of internuclear distance of $H-$ atoms. At what point in the curve $H,$ is found in the most stable state?
Least reactive towards nucleophilic addition is