Acetic anhydride is prepared in the laboratory by heating sodium acetate with:
1.  Ethyl chloride
2.  acetyl chloride
3.  Cone. Hp0 4
4.  zinc dust

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For the homogeneous reaction, 
    \(4NH_3+5O_2~\rightleftharpoons~4NO+6H_2O\)
The equilibrium constant K, has the units:
1. Conc.+10
2. Conc.+1
3. Conc.-1
4. It is dimensionless

 

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For the reaction, 
  \(NH_3+OCl^-~\longrightarrow~N_2H_4+Cl^-\)
Occurring in basic medium, the coefficient of N 2H4 in the balanced equation will be:

1.  1
2.  2
3.  3
4.  4
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Which one of the following has a coordinate bond?
 

1.  NH4Cl
2.  AlCl3
3.  NaCl
4.  Cl2

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Which of the following would exert maximum osmotic pressure?
1. Decinormal aluminium sulphate
2. Decinormal barium chloride
3. Decinormal sodium chloride
4. A solution obtained by mixing equal volumes of (2) and (3) and filtering
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Cow milk, an example of natural emulsion, is stabilized by:
1.  Fat
2.  Water
3.  Casein
4.  Mg2+ ions

 

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for a zero-order reaction:

 

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The extraction of which of the following metals involves bessemerisation?
 

1.  Fe
2.  Ag
3.  AI
4.  Cu

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The correct order of decreasing first ionization energy is:


1.  C > B > Be > Li
2.  C > Be > B > Li
3.  B > C > Be > Li
4.  Be > Li > B > C

Subtopic:  Ionization Energy (IE) |
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Consider the following reaction, 
 
What is Y?
 
1.  Acetanilide
2.  Benzinilide
3.  Azobenzene
4.  Hydrazobenzene

 

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