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Light Absorbing Pigments

43. Assrtion:...

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43. Assrtion: Catechol is less acidic than resorcinol Reason: Hydroxy group shows only -I effect at m-position

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Q. Assertion :p-Nitrophenol gives more electrophilic substituted compound than m-methoxyphenol. Reason: Methoxy group shows only negative I-effect.

Q. Assertion :Resorcinol turns

F e C L_{2} 2

solution purple Reason: Resorcinol have phenolic group.

Q. Assertion :Both o-hydroxy benzaldehyde and p-hydroxy benzaldehyde have same molecular weight and show H-bonding. Reason: Melting point of p-hydroxy benzaldehyde is more than o-hydroxy benzaldehyde.

Q. Assertion :If equimolar amount of a hydroxy acid and acetyl chloride are allowed to react, esterification takes place rather than formation of anhydride. Reason: Ester is more stable acid derivative than anhydride.

Q. Assertion :p-toluidine is a stronger base than m-toluene. Reason: Methyl group from m-position exerts smaller electron donating inductive

(+ I)

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