The Double Bond in Ethene Is Made Up of

question 29

Multiple Choice

The double bond in ethene is made up of

• A) a pi bond and a sigma bond formed by lateral overlap of two p orbitals.
• B) a sigma bond formed by overlap of two s orbitals and a pi bond formed by lateral overlap of two p orbitals.
• C) a pi bond formed by end-on overlap of two sp² orbitals and a sigma bond formed by overlap of two s orbitals.
• D) a sigma bond formed by end-on overlap of two sp² orbitals and a pi bond formed by lateral overlap of two p orbitals.
• E) a pi bond formed by lateral overlap of two sp² orbitals and a sigma bond formed by end-on overlap of two sp² orbitals.

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Definitions:

Lean Principles

Principles associated with the lean enterprise that include reducing inventory, reducing lead time, reducing setup time, product-/customer-oriented layouts, employee involvement, pull scheduling, zero defects, and supply chain management.

Unexpected Downtime

Unplanned or unforeseen interruptions in a system's or facility's operations, leading to temporary cessation of services or production.

Unreliable Processes

Procedures or systems that fail to consistently perform to their designed specifications or standards, leading to errors, defects, or inefficiencies.

Lean Manufacturing

The use of lean principles to accomplish high quality, low cost, fast response, and immediate availability in a manufacturing setting. Also called just-in-time (JIT) processing.