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Condensation with formaldehyde - Miscellaneous reactions
Phenol condenses with formaldehyde (excess) in presence of sodium hydroxide or acid (H+) for about a week to form a polymer known as bakelite (a resin).
This of the following is an electrovalent linkage: (1) CH 4 (2) MgCl 2 (3) SiCl 4 (4) BF 3 Ans: MgCl
Which of the following electronic configuration is not possible according to Hund's rule: (1) 1s 2 2s 2 (2) 1s 2 2s 1 (3) 1s 2
Which of the following set of quantum number is not valid: (1) n=1, l=2 (2) 3=2, m=1 (3) m=3,l=0 (4) 3=4,l=2
What is the pollution?
Benzene hexa chloride reaction
standard protocol of glutamic acid
#quest what is castner kellner procession..
BIOINORGANIC CHEMISTRY Life is sometimes thought of as 'carbon chemistry', but around 25 components are essential for life. It is normal to divide these into trace elements an
Chemical properties of dihydric alcohol
Q. Explain about Smelting process? The roasted ore, which is generally an oxide, is strongly heated with a suitable reducing agent as result of which the metal is acquired in a
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