The shortest C-C bond distance is found in               

(1) diamond             

(2) ethane

(3) benzene             

(4) acetylene

सबसे छोटी C-C बंध दूरी निम्न में पाई जाती है:

1. हीरा         

2. एथेन

3. बेन्जीन         

4. एसीटिलीन

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Among the following compounds, the strongest acid is

1. HC≡CH              2. C6H6

3. C2H6                4. CH3OH

निम्नलिखित यौगिकों में, सबसे प्रबल अम्ल है:

1. HC≡CH              2. C6H6

3. C2H6                4. CH3OH

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Most stable radical is

1. 

2. 

3. 

4. 

सबसे अधिक अम्लीय मूलक है:

1. 

2. 

3. 

4. 

 65%

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The structure of cis-bis (propenyl) ethene is:

1. 

2. 

3. 

4. 

सिस-बिस (प्रोपेनिल) एथीन की संरचना है:

1. 

2. 

3. 

4. 

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​ . Where X and Y are

(1) Positional isomers             

(2) Functional isomers

(3) Metamers                   

(4) Tautomers

 

 जहाँ X और Y हैं:

(1) स्थिति समावयव      (2) क्रियात्मक समावयव

(3) मध्यावयव              (4) चलावयव 

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Which class of compounds can exhibit geometrical isomerism?

(1) C6H5CH=NOH

(2) CH3CH =CHCH3

(3) 

(4) All of the above

यौगिकों का कौन सा वर्ग ज्यामितीय समावयवता प्रदर्शित कर सकता है?

1. C6H5CH=NOH

2. CH3CH =CHCH3

3. 

4. उपरोक्त सभी

 57%

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2-methylpent-3-enoic acid shows:

(1) optical isomerism       

(2) geometrical isomerism

(3) both (1) and (2)        

(4) none of these

2-मेथिलपेन्ट-3-ईनोइक अम्ल दर्शाता है:

1. प्रकाशिक समावयवता    

2. ज्यामितीय समावयवता

3. दोनों (1) और (2)         

4. इनमें से कोई नहीं

 67%

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The number of tertiary carbon atoms in tertiary butyl alcohol is:

(1) 1                 

(2) 2

(3) zero               

(4) 4

तृतीयक ब्यूटिल एल्कोहॉल में तृतीयक कार्बन परमाणुओं की संख्या है:

1. 1         

2. 2

3. शून्य       

4. 4

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Which order for basic character of amine is correct for following compounds?

1. 3>1>2>5>4              2. 3>2>1>5>4

3. 3>1>2>4>5              4. 3>2>1>4>5

 

निम्नलिखित यौगिकों के लिए ऐमीन के क्षारीय गुण के लिए कौन सा क्रम सही है?

1. 3>1>2>5>4              2. 3>2>1>5>4

3. 3>1>2>4>5              4. 3>2>1>4>5

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Hydrogen cyanide and hydrogen isocyanide are:

1. tautomers 2. positional isomers
3. metamers 4. chain isomers

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