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Uses of pyrogallol (a) As a developer in photography. (b) As a hair dye. (c) In medicine of skin diseases like eczema. (d) For absorbing none reacted oxygen in gas ana
Uses of Acetic anhydride (a) Acetic anhydride is used as an acetylating agent. (b) Acetic anhydride is used for the detection and estimation of hydroxyl and amino group.
classification of organic chemistry
what is diagonal relationship? explain diagonal relationship between Li and M g, Be and Al?
The de-Broglie wavelength associated with a material particle is: (1) Directly proportional to its energy (2) Directly proportional to momentum (3) Inversely proportiona
1s 2 , 2s 2 , 2p 6 3s 1 shows configuration of: (1) Al 3+ in ground state (2) Ne in excited state (3) Mg + in excited state (4) None of these Ans: Mg + in
Phenols : Physical properties: 1.Low molecular weight phenols are normally liquids or low melting solids 2.Due to H- bonding ,most low molecular weight phenols are water soluble 3.
Inductive effect - Relative reactivity of aldehydes and ketones The comparative re-activities of aldehydes and ketones in nucleophilic addition reactions might be attributed to
give the melting temperature values of group 2 elements
Uses of Alkenes (i) Alkenes are used for the manufacture of polythene - a plastic material; (ii) Alkenes are used for artificial ripening of fruits; (iii) Alkenes are us
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