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JEE Advanced 2008Paper 1
Exam
JEE Advanced
Year
2008
Paper
Paper 1
Subject
Chemistry
Chapter
Aldehydes and Ketones

JEE Advanced 2008 · Paper 1 · Chemistry · Aldehydes and Ketones

Paragraph: In the following reaction sequence, product I . J and L...

Paragraph: In the following reaction sequence, product I.JI . J and LL are formed. K represent a reagentParagraph: In the following reaction sequence, product I . J and L are formed. K represent a reagent Question: The
Question:  The structure of product \text{ The structure of product }L  is \text{ is }

Options

  1. APhoton of frequency v has a momentum associated with it. If c is the velocity of light, the momentum is
  2. BPhoton of frequency v has a momentum associated with it. If c is the velocity of light, the momentum is
  3. CPhoton of frequency v has a momentum associated with it. If c is the velocity of light, the momentum is
  4. DPhoton of frequency v has a momentum associated with it. If c is the velocity of light, the momentum is

Correct answer

B. Photon of frequency v has a momentum associated with it. If c is the velocity of light, the momentum is

Step-by-step solution

H2,Pd/BaSO4\mathrm{H}_2, \mathrm{Pd} / \mathrm{BaSO}_4, quinoline is well known reagent. Rosenmund's reaction (conversion of acyl halide to aldehyde) H2,Pd,BaSO4\mathrm{H}_2, \mathrm{Pd}, \mathrm{BaSO}_4 is known as Lindlar's reagent and reduces triple bond to double bond (syn addition) giving cis product. Reagent has simultaneous action because usually reaction is not selective-follows radical mechanism.
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