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AnnyKZ [126]
3 years ago
9

Determine the reagents needed and the synthetic intermediate that is formed in the conversion of the secondary alcohol into the

cyanohydrin given below. drag the appropriate labels to their respective targets.

Chemistry
1 answer:
astra-53 [7]3 years ago
5 0
Secondary Alcohol is converted into corresponding Cyanohydrin in two steps;

Step 1:
           Oxidation of Sec. Alcohol:
                                                    Secondary Alcohols when treated with Sodium Dichromate in acidic medium are converted into corresponding Ketone.

Step 2:
           Reduction of Ketone using HCN:
                                                               Ketone is reduced to Cyaynohydrin when treated with CN nucleophile. A nucleophillic addition reaction takes place.

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FinnZ [79.3K]

First of all, as you seen the gases are noble which means that will not react with each other and in this case each gas create individual pressure.  

P_{T}= total pressure  

P_{Ne} = pressure of neon  

P_{Ar} = pressure of argon  

P_{He} = pressure of helium {which is required}

P_{T} = P_{Ne} + P_{Ar} + P_{He}    

1.25 = 0.68 + 0.35 +  P_{He}

P_{He}   = 1.25  - [0.68 + 0.35] = 0.22 atm

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