JEE Main 2014ChemistryChemical Bonding and Molecular StructureMediumMCQ

JEE Main 2014Chemical Bonding and Molecular Structure Question with Solution

JEE Main 2014 (09 Apr Online)

Question

The number and type of bonds in C22- ion in CaC2 are:

Choose an option

Show full solutionCorrect option: B
Correct answer
BOne σ-bond and two π-bonds

Step-by-step explanation

The structure of calcium carbide is:

Ca2+CC2-

Both C atoms are sp hybridised. The carbide anion, having 2 units of negative charge between two carbon atoms, has 1 σ and 2 π bonds.
 

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About this question

This is a previous-year question from JEE Main 2014, covering the Chemical Bonding and Molecular Structure chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.