The IUPAC name of (C2H5)4C is

1.  Tetra ethyl methane

2.  2, 2-dimclhyl pentane

3.  3, 3 - diethyl pentane

4.  Neopentane

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4
Correct Answer :

3, 3 - diethyl pentane


Explanation :
No Explanation available for this question

The number of periods present in the long form of the periodic table is

1.  6

2.  7

3.  8

4.  18

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4
Correct Answer :

7


Explanation :
No Explanation available for this question

Which one of the following is acetone oxime

1.  

2.  

3.  

4.  

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4
Correct Answer :


Explanation :
No Explanation available for this question

6 grams of urea is dissolved in 16.2 grams of water at 250C. What is the vapour pressure (in mm) of resultant solution The vapour pressure of water at 250C is 24 mm

1.  2.4

2.  21.6

3.  23.6

4.  18

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4
Correct Answer :

21.6


Explanation :
No Explanation available for this question

Which of the following compounds liberates hydrogen gas on reacting with sodium metal

1.  C6H14

2.  C2H2

3.  C2H4

4.  C2H6

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4
Correct Answer :

C<sub>2</sub>H<sub>2</sub>


Explanation :
No Explanation available for this question

Standard reduction potentials of Sn2+ | Sn and Zn2+ | Zn electrodes are -0.14 V and -0.74 V respectively. What is the E0 of the following cell in volts Zn | Zn2+ || Sn2+ |Sn

1.  -0.6

2.  -0.88

3.  0.88

4.  0.6

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4
Correct Answer :

0.6


Explanation :
No Explanation available for this question

Benzene is a monocyclic compound. It is aromatic because it contains

1.  6 carbon and 6 hydrogens

2.  3 pi bonds

3.  6p orbitals

4.  (4n+2) π electrons

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4
Correct Answer :

(4n+2) &#960; electrons


Explanation :
No Explanation available for this question

What is the volume (in litres) of 0.1 M H2SO4 required to completely neutralize 1 litre of 0.5 M NaOH

1.  5

2.  2.5

3.  0.5

4.  10

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4
Correct Answer :

2.5


Explanation :
No Explanation available for this question

Which of the following compounds can exhibit functional isomerism

1.  C4H8

2.  C3H8O

3.  C2H7Cl

4.  C5H12

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4
Correct Answer :

C<sub>3</sub>H<sub>8</sub>O


Explanation :
No Explanation available for this question

Radioactivity of an isotope falls to 1 / 8 of its original value in 48 days. Its half life period (in days) is

1.  48

2.  16

3.  12

4.  8

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4
Correct Answer :

8


Explanation :
No Explanation available for this question
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