Answer to Question #61454 in Organic Chemistry for isa

Question

10 Alkanes or cycloalknes can be prepared by ___________ of unsaturated hydrocarbons using platinum or palladium as a catalysts.
Hydrogenation
Halogenation
Dehydrogenation
Decarboxylation
11 The hybrid orbitals are obtained by mathematical combinations of __________________.
Molecular orbitals
Ionic orbitals
Electrons
Atomic orbitals
12 One of these statements is not true.
σ(sigma) bonds are formed by the edge-on overlap of pure (s and p) or hybrid orbitals.
The electron density in σ (sigma)bonds is maximum along the internuclear axis.
π (pi)bonds are formed by sideways overlap of p orbitals.
π (pi)bonds have maximum electron density along the internuclear axis.

Answer 1

10) Hydrogenation
11) Atomic orbitals
12) π (pi)bonds have maximum electron density along the internuclear axis.