53. Which of the following is true when photoelectric effect occur? A. The maximum speed of the photoelectrons is proportional to the intensity of the incident light. B. The number of electrons emitted per second is proportional to the intensity of the incident light. C. The maximum energy of the photoelectrons increases with the wavelength of the incident light D. The wavelength of the incident light is greater than the threshold value.

Q: J. Provide detailed (arrow pushing) mechanism for the following reaction, draw all important…

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Q: Provide to llaving Br a detailed, step by step mechanism for reaction OCH₂CH3 OCH₂CH3 OCH₂ CH3

A:

Q: CH H. HH H. H H NO H H. H H NO H. meta nitration H. H. H. H. H. H. H. H. H. ortho nitration CH3 CH3…

A: Applying concept of ring activating and o/p directing group.

Q: Prepare the following showing the stepwise mechanism: .COOET NH, N. H.

A: The Amine Shown here is an active nucleophile which attacks on carbonyl  carbon and then Gradually…

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A: Here given organic compound is toluene. We have to show the products obtained in each step.

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Q: . Give the product for the tranformation given below. (Hint selective oxidation)

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Q: Mechanism please .

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Q: Predict the major product. Rxn I Rxn II Br₂ Br₂ H₂O

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Q: Provide reasonable IUPAC names for 4 of following structures.

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Q: stereochemistry 35 Spp i A. BO C. D. E. OH CI 1. CH3NH₂ 2. LIAH 3. H₂O* H₂O* 1. Mg/THF 2. CO2 3.…

A: Given are organic reactions.Let's see missing products for each reaction in next step.

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Q: None

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Q: propose mechanism

A: propose mechanism

Q: 3. Draw mechanism and predict product (q) 1. NaOH H. 2.

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Q: b. 0 OH OH (excess) H₂SO4 (cat)

A:

Q: Complete the following: АcONO, Аcон, -10°с N. H

A: See major product in red box.

Q: Explain the propertis of ethers that muke them a very weful as menstruum.

A: The main properties of ether because of which it acts as menstruum i.e a solvent are

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Q: 2. Show how you would make thecompound below using hydroboration. OH

A: This is an hydroboration -oxidation reaction.Alkeene reaction with BH3,NaOH/H2O2 produced alcohol.

Q: Banomer Drag the appropriate labels to their respective targets.

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A: Excess Grignard reagent reacts with ester to form alcohol.

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A:

Q: Show the steps of synthesis (1st semester Orgo).

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A: This is an example of Baylis-Hillman reaction where carbon-carbon bond formation occurs.

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A: To find: the missing compounds and reagents.

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A:

Designing a Synthesis

Organic synthesis is a branch of chemical synthesis that involves the planned construction of organic compounds/molecules from smaller units that possess functional groups. Friedrich Wöhler was the first scientist who designed the synthesis of an organic compound, urea from inorganic starting materials silver cyanate with ammonium chloride via a simple, one-step synthesis.