Aniline in a set of reactions yielded a product D. The structure of the product D would be :

1.  C6H5CH2NH2

2.  C6H5NHCH2CH3

3.  C6H5NHOH

4.  C6H5CH2OH

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4
Correct Answer :

C6H5CH2OH


Explanation :
No Explanation available for this question

The correct order in which the O — O bond length increases in the following is :

1.  H2O2 < O2 < O3

2.  O3 < H2O2 < O2

3.  O2 < O3 < H2O2

4.  O2 < H2O2 < O3

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4
Correct Answer :

O2 < O3 < H2O2


Explanation :
No Explanation available for this question

The mass of carbon anode consumed (giving only carbondioxide) in the production of 270 kg of aluminium metal from bauxite by the Hall process is : (Atomic mass Al = 27)

1.  180 kg

2.  120 kg

3.  360 kg

4.  90 kg

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4
Correct Answer :

90 kg


Explanation :
No Explanation available for this question

In a set of reactions, acetic acid yielded a product D. The structure of D would be :

1.  

2.  

3.  

4.  

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4
Correct Answer :


Explanation :
No Explanation available for this question

The cell membranes are mainly composed of :

1.  carbohydrates

2.  proteins

3.  phospholipids

4.  fats

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4
Correct Answer :

phospholipids


Explanation :
No Explanation available for this question

The major organic product formed from the following reaction :

1.  

2.  

3.  

4.  

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4
Correct Answer :


Explanation :
No Explanation available for this question

The number of moles of KMnO4 reduced by one mole of KI in alkaline medium is :

1.  one fifth

2.  five

3.  one

4.  two

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4
Correct Answer :

two


Explanation :
No Explanation available for this question

Which of the following molecules has trigonal planar geometry

1.  IF3

2.  PCl3

3.  NH3

4.  BF3

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4
Correct Answer :

BF3


Explanation :
No Explanation available for this question

The aqueous solution containing which one of the following ions will be colourless (Atomic no. : Sc = 21, Fe = 26, Ti = 22, Mn = 25)

1.  Sc3+

2.  Fe2+

3.  Ti3+

4.  Mn2+

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4
Correct Answer :

Sc3+


Explanation :
No Explanation available for this question

Four successive members of the first row transition elements are listed below with their atomic numbers. Which one of them is expected to have the highest third ionization enthalpy

1.  Vanadium (Z = 23)

2.  Chromium (Z = 24)

3.  Iron (Z = 26)

4.  Manganese (Z = 25)

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4
Correct Answer :

Manganese (Z = 25)


Explanation :
No Explanation available for this question
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