The molecules

1.  Geometrical isomers

2.  Tatutomers

3.  Diastereomers

4.  Metamers

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4
Correct Answer :

Tatutomers


Explanation :
No Explanation available for this question

Which free radical is the most stable

1.  

2.  

3.  

4.  

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4
Correct Answer :


Explanation :
No Explanation available for this question

In the reaction A+B↔C+D, the initial concentration of reactants is 1mole/lit each. The equilibrium concentration of each product is 0.9 moles lit-1. Its Kc is

1.  0.9

2.  0.81

3.  81

4.  8.1

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4
Correct Answer :

81


Explanation :
No Explanation available for this question

In a gaseous chemical equilibrium A+B↔C+D when one mole of each of the two reactants are mixed initially and at equilibrium 0.6 mole each of the products are formed. The equilibrium constant is

1.  1

2.  0.30

3.  2.25

4.  4/9

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4
Correct Answer :

2.25


Explanation :
No Explanation available for this question

The Kc for the reaction A+B↔C is 4 and Kc for 2A+D↔C is 6. The value of Kc for C+D↔2B is

1.  0.67

2.  0.375

3.  2.7

4.  1.5

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4
Correct Answer :

0.375


Explanation :
No Explanation available for this question

In which of the following arrangements a metal could have least density

1.  BCC

2.  CCP

3.  HCP

4.  Simple Cubic

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4
Correct Answer :

Simple Cubic


Explanation :
No Explanation available for this question

In a close packed array of N spheres, the number of octahedral holes are

1.  N/2

2.  N

3.  4N

4.  2N

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4
Correct Answer :

N


Explanation :
No Explanation available for this question

On adding a little phosphorous to silicon, we get a/an

1.  n-type semiconductor

2.  p-type semiconductor

3.  Metallic conductor

4.  Insulator

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4
Correct Answer :

n-type semiconductor


Explanation :
No Explanation available for this question

Ionic solids with Schottky defects contains their structure

1.  Equal number of cation and anion vacancies

2.  Anion vacancies and interstitial anions

3.  Cation vacancies

4.  Cation vacancies and interestial cations

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4
Correct Answer :

Equal number of cation and anion vacancies


Explanation :
No Explanation available for this question

In cubic close packing (ccp) arrangement, the pattern of the successive layers qill be designed as

1.  AB,AB,AB etc

2.  AB,ABC,AB etc

3.  ABC,ABC,ABC

4.  BBABC

View Answer  
4
Correct Answer :

ABC,ABC,ABC


Explanation :
No Explanation available for this question
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