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Physical properties of Phthalic Acid
(a) Phthalic acid is colourless crystalline substance.
(b) Phthalic acid's melting point is not sharp (195-213°C).
(c) Phthalic acid is sparingly soluble in cold water but soluble in hot water, alcohol, ether, benzene etc.
The maximum number of electrons accommodated in 5f orbitals are: (1) 5 (2) 10 (3) 14 (4) 18 Ans: 14
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