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3 years ago

Which of the following is the correct structural formula for ethene

Chemistry

1 answer:

lord [1]3 years ago

4 0

Ethene belongs to class of unsaturated hydrocarbons called as Alkenes. Alkene contains a double bond between two carbon atoms. And the general formula for alkene is,

CnH2n

Whereas in Ethene, n = 2, so

C₂H₄

Therefore, in ethene there are two carbon atoms doubly bonded to each other via one sigma and one pi bond. Also each carbon atom is further covalently bonded to two hydrogen atoms via sigma bond as shown below,

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PLEASE HELPP ASAP!!!!!What is the equation for density A. D=M/V B. D=V/M C. D= M/V2 D. D=1/2 MV2

mestny [16]

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D = M/V

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3 years ago

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2 years ago

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A 0.175 M solution of an enantiomerically pure chiral compound D has an observed rotation of +0.27° in a 1-dm sample

-BARSIC- [3]

Answer:

The specific rotation of D is 11.60° mL/g dm

Explanation:

Given that:

The path length (l) = 1 dm

Observed rotation (∝) = + 0.27°

Molarity = 0.175 M

Molar mass = 133.0 g/mol

Concentration in (g/mL) = 0.175 mol/L × 133.0 g/mol

Concentration in (g/mL) = 23.275 g/L

Since 1 L = 1000 mL

Concentration in (g/mL) = 0.023275 g/mL

The specific rotation [∝] = ∝/(1×c)

= 0.27°/( 1 dm × 0.023275 g/mL )

= 11.60° mL/g dm

Thus, the specific rotation of D is 11.60° mL/g dm

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3 years ago