C5H12 is a saturated hydrocarbon, whereas the other options are unsaturated hydrocarbons. Unsaturated hydrocarbons have one or more double bonds between carbon atoms, whereas saturated hydrocarbons have only single bonds.
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3013
What is the hybridization of the nitrogen atom in pyridine?
Pyridine is a planar, aromatic molecule, and the nitrogen atom is part of the aromatic ring. Its hybridization is Sp2, which allows for the formation of three bonds and is consistent with the molecule's planarity and aromaticity.
3014
Crystalline solids can be identified easily from their ___________________?
A valid JSON object explaining the original MCQ and its options follows: Crystalline solids, also known as crystals, are substances that have a repeating three-dimensional pattern of atoms, ions, or molecules. One characteristic that helps differentiate them from other solids is their distinct sharp melting point. This sharpness indicates a specific, well-defined bond breaking and formation process, unlike the gradual change seen in amorphous solids. Among the provided options, the correct answer is 'Sharp melting point'. This is because the sharpness of the melting point is a unique feature that helps identify crystalline solids.
3015
Which theory surpasses the others in explaining molecular structure?
Molecular Orbital Theory (MOT) provides a more comprehensive explanation of molecular structure, bonding, and properties compared to Valence Shell Electron Pair Repulsion (VSEPR) and Valence Bond Theory (VBT). MOT considers the delocalization of electrons and explains many molecular characteristics that VSEPR and VBT cannot.
The bond order of N2 is calculated by subtracting the number of antibonding electrons from the number of bonding electrons and dividing by 2. N2 has 14 electrons, with 10 bonding and 4 antibonding, resulting in a bond order of (10-4)/2 = 3, indicating a triple bond between the nitrogen atoms.
3017
Which dye is most suitable for fabrics that can form hydrogen bonds?
Direct dyes are most useful for fabrics that can form hydrogen bonds as they bind directly to the fabric through hydrogen bonding, making them suitable for cellulose fibers like cotton.
3018
How many electrons are involved in the bonding of a nitrogen molecule (N2)?
A nitrogen molecule (N2) consists of two nitrogen atoms connected by a triple bond. A triple bond is composed of one sigma bond and two pi bonds, requiring a total of six shared electrons (three pairs) to satisfy the octet rule for both nitrogen atoms. Each nitrogen atom contributes three electrons to the shared pool.
3019
What is the calculated bond order for the carbon monoxide (CO) molecule?
According to Molecular Orbital Theory, the electronic configuration of CO involves a triple bond between the carbon and oxygen atoms. This consists of one sigma bond and two pi bonds. The bond order is calculated as (Number of bonding electrons - Number of antibonding electrons) / 2. For CO, this results in a bond order of 3, which explains the high stability and short bond length of the molecule.
3020
Which specie has unpaired electrons in antibonding molecular orbitals_______________?
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