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141. Arrange the following compound in increasing order of their boiling points:
Acetic acid, Methyl formate, Acetamide, Propan-1-ol.

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142. What product is obtained when ethyl benzene is oxidised with alkaline KMnO₄?

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143. Of the hydroxy organic compound ROH and R'OH, the first one is basic and the other is acidic in behaviour. How is R different from R' ?

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144.

What happens when (CH₃)₃CCOOH reacts with bromine in the presence of red phosphorus?

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145.

What happens when benzoic acid is treated with a mixture of conc.HNO₃ and conc. H₂SO₄?

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146.

What happens when propionic acid reacts with thionyl chloride?

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147. Ethanoyl chloride fumes in air. Explain.

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148. Name the following reactions:

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Rosenmund’s reduction.

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150. Which one of FCH₂COOH, ClCH₂COOH, BrCH₂COOH and ICH₂COOH is the strongest acid? Give reason.

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