A cyclic hydrocarbon molecule has all the carbon and hydrogen is a single plane. All the carbon-carbon bonds are of same length, less than 1.54 mathringA but more than 1.34 mathringA The C-C bond angle will be:

Question

A cyclic hydrocarbon molecule has all the carbon and hydrogen is a single plane. All the carbon-carbon bonds are of same length, less than 1.54 mathringA but more than 1.34 mathringA The C-C bond angle will be: (A)  109o28  (B)  100o  (C)  180o  (D)  120o

Tardigrade Admin · Accepted Answer

Cyclic hydrocarbon, with carbon-carbon bond length between 1.34 mathringA and 1.54 mathringA is benzene in which due to resonance, C-C, bond length is 1.39 mathringA, (i. e., between 1.34 mathringA-1.54 mathringA ). Benzene is a hexagonal molecule with bond-angle equal to 120o.

Q. A cyclic hydrocarbon molecule has all the carbon and hydrogen is a single plane. All the carbon-carbon bonds are of same length, less than $1.54 \overset{˚}{A}$ but more than $1.34 \overset{˚}{A}$ The C-C bond angle will be:

$109^{o} 28$

$100^{o}$

$180^{o}$

$120^{o}$

Q. A cyclic hydrocarbon molecule has all the carbon and hydrogen is a single plane. All the carbon-carbon bonds are of same length, less than 1.54A˚ but more than 1.34A˚ The C-C bond angle will be:

109o28

100o

180o

120o

Cyclic hydrocarbon, with carbon-carbon bond length between 1.34A˚ and 1.54A˚ is benzene in which due to resonance, C-C, bond length is 1.39A˚, (i. e., between 1.34A˚−1.54A˚ ). Benzene is a hexagonal molecule with bond-angle equal to 120o.

Q. A cyclic hydrocarbon molecule has all the carbon and hydrogen is a single plane. All the carbon-carbon bonds are of same length, less than $1.54 \overset{˚}{A}$ but more than $1.34 \overset{˚}{A}$ The C-C bond angle will be:

$109^{o} 28$

$100^{o}$

$180^{o}$

$120^{o}$