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Fill in the blanks. 1. …….. is an organic compound needed to maintain the health of nerves, skin and red blood cells.2. Plants synthesis and to protect them from being eaten away by insect …….. and …….. other animals.3. …….. compounds are the important constituents of explosives, drugs, dyes, fuels, polymers, synthetic rubbers.4. Dopamine act as …….5. …….. dilates blood vessels.6. Tertiary nitro alkanes donot exhibit ………. due to the absence of a-H atom.7. Aci form of nitro alkanes gives ………….. colour with ferric chloride.8. Aci form of nitro alkanes are otherwise called ……….. or ……..9. Laboratory preparation of Nitro ethane from ethyl bromide follows ………….. mechanism10. Except …….. other alkanes gives a mixture of nitro alkanes due to C – C cleavage by nitration of alkanes. |
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Answer» 1. Pyridoxine, vitamin B 2. alkaloids, biologically active amines 3. Nitrogen 4. Neurotransmitter 5. Histamine 6. tautomerism 7. Reddish brown 8. Pseudo acids (or) Nitronic acids 9. SN2 10. Methane |
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