وصفات

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Which compound shows end absorption? a Aldehyde  b Ketone c Ester d Alkene

Optimum absorbance range for analysis is: A) > 2 B) 0-0.1 C) < 0.8 D) > 1.5

Polar solvent effect on n → n* transition: a)Blue shift b)No shift c)Red shift d)Peak disappears

Which solvent usually gives longer Amax? A)ether B)Hexane C)Cyclohexane D)Ethanol E)Benzene

Increase in absorption intensity is called: a)Hypochromic effect B)Bathochromic shift C)Hyperchromic effect D)Hypsochromic shift

Which functional group acts as a chromophore? -CH3 -OH C=C -NH2