Chemistry

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a year ago

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Vishal Baghel

Contributor-Level 10

After removal A = 4  (12*2)=3

After removal B = 4 – 1 = 4 (only two atoms are removed)

Final formula of the compound = A3B4

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a year ago

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Payal Gupta

Contributor-Level 10

Histamine is the chemical which stimulates the secretion of pepsin in stomach.

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Vishal Baghel

Contributor-Level 10

 CH4+2O2→CO2+2H2O

Mole 1001620832

   ↓    ↓6.25  6.5      (Here  O2  is  the  limiting  reagent)

Hence mole of CO2 formed = 6.52

And wt of CO2  in gm = 6.52*44=143g

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a year ago

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Vishal Baghel

Contributor-Level 10

Vitamin B12 is not water soluble chemical.

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Payal Gupta

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Buna-S is the copolymer of butadiene and styrene, Nylon-6, 6 is the condensation polymer of adipic acid and diamine and having fibrous nature.

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Vishal Baghel

Contributor-Level 10

CH3 – (CH2)16 – COONa is the sodium salt of fatty acid used in soap is not synthetic detergent.

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Vishal Baghel

Contributor-Level 10

Kindly consider the following figure

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Payal Gupta

Contributor-Level 10

Enamines are inter conversible and have low stability with respect to imine. Among all C is most stable due to steric factor.

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Vishal Baghel

Contributor-Level 10

p- toluenesulphonyl chloride

Only gives soluble product with alkali for 1° amine and for 2°- amine it gives insoluble product.

 

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a year ago

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Payal Gupta

Contributor-Level 10

Aromaticity drives the highest enolic percentage of given structure:

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