When a Hydrogen Electron Makes a Transition from N =

question 117

Multiple Choice

When a hydrogen electron makes a transition from n = 3 to n = 1,which of the following statements is true?
I.Energy is emitted.
II.Energy is absorbed.
III.The electron loses energy.
IV.The electron gains energy.
V.The electron cannot make this transition.

• A)I,IV
• B)I,III
• C)II,III
• D)II,IV
• E)V

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Definitions:

Crossed Claisen Condensation

A reaction between different esters or an ester and a carbonyl compound under basic conditions to form a β-keto ester or a β-diketone.

Methyl Benzoate

A compound consisting of a methoxy group (-OCH3) attached to a benzene ring substituting a hydrogen atom.

Cyclohexanone

A ketone with a six-membered ring structure, used as an important solvent and in the synthesis of nylon and other polymers.

Sodium Ethoxide

An organic compound and strong base, formulated as C2H5ONa, used in organic synthesis, particularly for the deprotonation of weaker acids.