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CH3CO2H or CH2FCO2H
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Which acid of the pair shown here would you expect to be stronger?
CH2FCO2H or CH2ClCO2H
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Which acid of the pair shown here would you expect to be stronger?
CH2FCH2CH2CO2H or CH3CHFCH2CO2H
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Which acid of the pair shown here would you expect to be stronger?
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Arrange the following compounds in increasing order of their property as indicated:
CH3CH2CH(Br)COOH, CH3CH(Br)CH2COOH, (CH3)2CHCOOH, CH3CH2CH2COOH (acid strength)
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Arrange the following compounds in increasing order of their property as indicated:
Benzoic acid, 4-Nitrobenzoic acid, 3, 4-Dinitrobenzoic acid, 4-Methoxybenzoic acid (acid strength)
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Mention three areas in which H2SO4 plays an important role.
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Why is `K_(a_2) "<<" K_(a_1)` for `H_2SO_4` in water?
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Describe the manufacture of H2SO4 by contact process?
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Write balanced equations for NaCl is heated with sulphuric acid in the presence of MnO2
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Give reasons : Silicon on doping with Phosphorous forms n-type semiconductor.
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Write the reactions involved Hell-Volhard Zelinsky reaction?
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When concentrated sulphuric acid was added to an unknown salt present in a test tube a brown gas (A) was evolved. This gas intensified when copper turnings were added to this test tube. On cooling, the gas (A) changed into a colourless solid (B).
1) Identify (A) and (B).
2) Write the structures of (A) and (B).
3) Why does gas (A) change to solid on cooling?
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Write the name of the vitamin whose deficiency causes bleeding of gums.
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Illustrate the following reactions giving suitable example in each case
Coupling reaction
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Give one example each of 'oil in water' and 'water in oil' emulsion.
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Account for the following:
Carboxylic acid is a stronger acid than phenol.
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Complete and balance the following equations:
S+H2SO4(conc.) →
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What happens when Salicylic acid is treated with (CH3CO)2 O/H+?
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Arrange the following compounds in increasing order of their property as indicated:
F - CH2COOH, O2N - CH2 COOH CH3 COOH,HCOOH - acid character.
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