1. Tardigrade
  2. Question
  3. Chemistry
  4. Assertion (A): B 2 H 6, Si 2 H 6 are said to have similar structure. Reason (R): They have same number of σ and π bonds.

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Q. Assertion $(A): B _{2} H _{6}, Si _{2} H _{6}$ are said to have similar structure.
Reason $(R):$ They have same number of $\sigma$ and $\pi$ bonds.

AIIMSAIIMS 2001Chemical Bonding and Molecular Structure

Solution:

$B_2H_6$ is an electron deficient compound. $B_2H_6$ contain some unusual bonds which are called as $2$-electron, $3$-centre bonds.

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