Which one of the following compounds undergoes hydrolysis during distillation to yield hydrogen peroxide

1.  H2S2O8

2.  H2S2O6

3.  HNO3

4.  H4P2O7

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4
Correct Answer :

H<sub>2</sub>S<sub>2</sub>O<sub>8</sub>


Explanation :
No Explanation available for this question

What is the density (in g.L-1) of CO2 at 400K and exerting a pressure of 0.0821 atm (R = 0.0821 lit.atm.mol-1 K-1)

1.  0.01

2.  0.1l

3.  2.5

4.  44

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4
Correct Answer :

0.1l


Explanation :
No Explanation available for this question

Which one of the following compounds converts methyl magnesium iodide to methane in one step

1.  C2H5OC2H5

2.  C2H5Cl

3.  C2H4

4.  C2H5OH

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4
Correct Answer :

C<sub>2</sub>H<sub>5</sub>OH


Explanation :
No Explanation available for this question

What is the oxidation state of Fe in the product formed when acidified potassium ferrocyanide is treated with H2O2

1.  +2

2.  +6

3.  +1

4.  +3

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4
Correct Answer :

+3


Explanation :
No Explanation available for this question

If the r.m.s. velocity of a gas at 100K is 104cm. sec-1. what is the temperature (in0C) at which the r.m.s velocity will be 3x104 cm. sec-1

1.  900

2.  627

3.  327

4.  1217

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4
Correct Answer :

627


Explanation :
No Explanation available for this question

Which one of the following is the correct order for the decomposition Temperatures of CaCO3 (X), MgCO3 (Y) and BaCO3 (Z)

1.  Z>X>Y

2.  X>Y>Z

3.  Y>Z>X

4.  X>Z>Y

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4
Correct Answer :

Z&gt;X&gt;Y


Explanation :
No Explanation available for this question

The energy of an electromagnetic radiation is 3 x 10-12 ergs. What is its wavelength in nanometers (h=6.625 x 10-27 erg.sec; c=3 x 1010 cm sec-1.)

1.  400

2.  228.3

3.  3000

4.  662.5

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4
Correct Answer :

662.5


Explanation :
No Explanation available for this question

Drugs used for reducing fevers are called

1.  anti-inflammatory

2.  analgesic

3.  antipyretics

4.  anti - biotic

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4
Correct Answer :

antipyretics


Explanation :
No Explanation available for this question

Which one of the following is a correct set for SiO2

1.  Linear, acidic

2.  Linear, basic

3.  Tetrahedral, acidic

4.  Angular, basic

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4
Correct Answer :

Tetrahedral, acidic


Explanation :
No Explanation available for this question

What are the products formed when Li2CO3 undergoes decomposition

1.  Li2O2 + CO

2.  Li2O + CO

3.  Li2O + CO2

4.  LiO2 + CO

View Answer  
4
Correct Answer :

Li<sub>2</sub>O + CO<sub>2</sub>


Explanation :
No Explanation available for this question
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