NEET2013Chemistryp Block Elements (Group 13 & 14)Actual
Which one of the following statements about C ₂ molecule is wrong?
Options
- AThe bond order of C ₂ is 2 .
- BIn vapour phase, C ₂ molecule is diamagnetic.
- CDouble bond in C ₂ molecule consists of both - bonds because of the presence of 4 e_s⁻ in two -molecular orbit
- Ddouble bond in C ₂ molecule consists of one -bond and on -bond.
Correct answer
D. double bond in C ₂ molecule consists of one -bond and on -bond.
Step-by-step solution
aligned & C ₂ (12 e⁻ )= 1 s^2 * 1 s^2, 2 s^2, _ ^* 2 s^2 & ( 2 p x₂= 2 p y₂ ) aligned In C ₂ molecule, double bond consists of both bonds.