Chemistry, 20.07.2019 01:30 zuleromanos

What is a characteristic of branched chained alkanes?

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The missing options are as follow,

A) They have one or more rings of carbon atoms.
B) They have carbon atoms that are double-bonded to other carbon atoms.
C) They have more than two carbons that are bonded to only one other carbon.
D) They have carbons bonded in a single row from one end of the molecule to the other end of the molecule.

Option-C (They have more than two carbons that are bonded to only one other carbon) is the correct answer.

Explanation:
Branched chain hydrocarbons are those hydrocarbons which at least contain one tertiary carbon atom. Tertiary carbon atoms are those carbons which are at least attached to three carbon atoms, or we can say that the carbon to which more than two carbon atoms are attached. Following figure shows different branched hydrocarbons with tertiary and Quaternary (attached to four carbon atoms) carbons highlighted in red.
What is a characteristic of branched chained alkanes?

What is a characteristic of branched chained alkanes?

Answer from: Quest

explanation:

metals have excess of electrons whereas non-metals have deficiency of electrons. thus, in order to gain stability metals easily donate their electrons to the non-metals.

for example, electronic configuration of sodium is $1s^{2}2s^{2}2p^{6}3s^{1}$ and electronic configuration of phosphorous is $1s^{2}2s^{2}2p^{6}3s^{2}3p^{3}$ .

when a phosphorous atom and sodium atom combine together then sodium will donate is extra one electron to the phosphorous atom. as a result there will be formation of ionic bond between sodium and phosphorous.

the reaction will be as follows.

$3na + p \rightarrow na_{3}p$

there, are three sodium sodium atoms and each of them will donate its one extra electron to phosphorous atom. thus, the sub-shell of phosphorous gets completely filled.

thus, we can conclude that electrons are transferred from atoms of sodium to atoms of phosphorous. this transfer makes the sodium atoms donate one electron and the phosphorous atoms to gain one electron. as a result, the sodium and phosphorus atoms strongly attract each other.

Electrons are transferred from atoms of to atoms of this transfer makes the sodium atoms and the

Answer from: Quest

a gas, having a molecular weight of 13 kg/kmol and a kinematic viscosity of 0.25 cm2/s, flows through a pipe 0.25 m internal diameter and 5 km long at the rate of 0.4 m3/s and is delivered at atmospheric pressure.

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