MCQ
$s-$character in $sp$ hybridised orbitals are
- A$\frac{1}{3}$
- ✓$\frac{1}{2}$
- C$\frac{1}{4}$
- D$\frac{2}{3}$
$s$-orbitals hold electrons closer to the atom they surround, so a hybridized orbital with $50 \,\%\, s$ character $(sp)$ holds electrons closer because it behaves more like an $s$ atomic orbital.
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$2{H_2}{O_2}(l) \rightleftharpoons {H_2}O(l) + {O_2}(g)$
$(R = 83\, JK^{-1}\, mol^{-1})$
Statement $I :$ The presence of weaker $\pi$ - bonds make alkenes less stable than alkanes.
Statement $II :$ The strength of the double bond is greater than that of carbon-carbon single bond.
In the light of the above statements, choose the correct answer from the options given below.