Engine Operational
source.pdf

Q27

REVIEWMCQpage 8holdREVIEW_MISSING_SOLUTIONP3UNREVIEWED
type=MCQ · page=8 · marks=1 · content_conf=0.7999999999999999 · math_conf=1

Source PDF8

Loading source page…

Source / evidence

file: source.pdf
pages: 88

No clips linked

Extracted27 / 65

In the production of polyvinyl chloride (PVC) from ethylene and chlorine, the sequential order of reactions is

Options

  1. A.
    Chlorination followed by Dehydrochlorination
  2. B.
    Dehydrochlorination followed by Chlorination
  3. C.
    Hydrogenation followed by Chlorination

Answer

A

Solution

(none)

Why review

Category: REVIEW_MISSING_SOLUTION · Priority: P3 · Disposition: source_limitation

No Sol. marker in the question block (source limitation).

Suggested action: hold_for_missing_source_solution

Human review

state=UNREVIEWED · resolution= · trust=UNRESOLVED · WAVE-12 priority=P3
Review actions

Writes a viewer overlay only. Never converts verification REVIEW into automatic PASS.

No overlay recorded yet.

Dimensions

  • structureREVIEW
  • question_textPASS
  • optionsPASS
  • answerPASS
  • solutionREVIEW
  • mathPASS
  • cross_entityPASS

Issues

  • missing_solution
  • solution_absent