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The structures of six organic compounds are shown:
|
A \[\begin{array}{cc} |
B \[\begin{array}{cc} |
C \[\begin{array}{cc} |
|
D \[\begin{array}{cc} |
E \[\begin{array}{cc} |
F \[\begin{array}{cc} |
- Identify two of the compounds that are members of the same homologous series but are not isomers.
- Which two compounds are isomers of each other?
- F can be prepared from D. Give a chemical equation for the reaction.
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You are supplied with five solutions: A, B, C, D and E with pH values as follows: A = 1.8, B = 7, C = 8.5, D = 13, and E = 5
Classify these solutions as neutral, slightly or strongly acidic and slightly or strongly alkaline.
Which solution would be most likely to liberate hydrogen with powdered zinc metal. Give a word equation for each reaction.
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From the formula listed below, choose one, in the following case, corresponding to the salt having the given description:
AgCl, CuCO3, CuSO4.5H2O, KNO3, NaCl, NaHSO4, Pb(NO3)2, ZnCO3, ZnSO4.7H2O.
On treating with concentrated sulphuric acid, this salt changes from blue to white.
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From the formula listed below, choose one, in the following case, corresponding to the salt having the given description:
AgCl, CuCO3, CuSO4.5H2O, KNO3, NaCl, NaHSO4, Pb(NO3)2, ZnCO3, ZnSO4.7H2O.
On heating, this salt changes from green to black.
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From the formula listed below, choose one, in the following case, corresponding to the salt having the given description:
AgCl, CuCO3, CuSO4.5H2O, KNO3, NaCl, NaHSO4, Pb(NO3)2, ZnCO3, ZnSO4.7H2O.
This salt gives nitrogen dioxide on heating.
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The acid which contains four hydrogen atoms ______.
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Match the following in column A with the correct answer from the choices given in column B:
| Column A | Column B |
| 1. Ammonium hydroxide solution | (i) Contains only ions |
| 2. Dilute hydrochloric acid | (ii) Contains only molecules |
| 3. Carbon tetrachloride | (iii) Contains ions and molecules |
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Give a suitable chemical term for:
A salt formed by incomplete neutralisation of an acid by a base.
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Which one of the following will not produce an acid when made to react with water.
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Select an oxide which dissolves in water forming an acid.
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Draw the structure of Hydronium ion.
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Name the acid present in grapes.
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Name the acid present in lemon.
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Name the metal hydroxides which are insoluble in caustic soda solution.
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Write the word equation when ammonium salt is heated with caustic soda solution.
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112 cm3 of H2S(g) is mixed with 120 cm3 of Cl2(g) at STP to produce HCl(g) and sulphur(s). Calculate the volume of gaseous product formed.
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112 cm3 of H2S(g) is mixed with 120 cm3 of Cl2(g) at STP to produce HCl(g) and sulphur(s). Calculate composition of the resulting mixture.
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1250 cc of oxygen was burnt with 300cc of ethane [C2H6]. Calculate the volume of unused oxygen formed:
\[\ce{2C2H6 + 7O2 -> 4CO2 + 6H2O}\]
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A compound has the following percentage composition by mass: carbon 14.4%, hydrogen 1.2% and chlorine 84.5%. By what type of reaction could this compound be obtained from ethylene?
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Choose the correct answer from the options given below:
A chloride which forms a precipitate that is soluble in excess of ammonium hydroxide is:
1) Calcium chloride
2) Ferrous chloride
3) Ferric chloride
4) Copper chloride
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