Solve your IGNOU Doubts
Solve your IGNOU Doubts
Question:

एक दुर्बल अम्ल, लैक्टिक अम्ल () के जलीय विलयन का pH का मान 2.7 पाया गया है। यदि लैक्टिक अम्ल के लिए equation हो तो विलयन की सांद्रता ज्ञात कीजिए।

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Question:

 

Give two important features of the crown ethers.

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Question:

उपयुक्त उदाहरण देकर दुर्बल अम्लों के आयनन साम्य पर सम आयनों के प्रभाव को समझाइए। 
 

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Question:

 

Write the mechanism of the formation of salicylic acid from phenol.

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Question:

Complete the following reaction and write its mechanism:

 

Image ignouassignments-ignouacademy-com--p-doubts-32201

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Question:

 Write the product and mechanism of the following reaction

 

Image ignouassignments-ignouacademy-com--p-solve-26466

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Question:

Which of the following compounds undergo SN1/SN2 reaction? Explain.
(i) Benzyl chloride;
(ii) Chlorobenzene;
(iii) Chloroethene;
(iv) Chloroethyne

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Question:

 298 K पर NaOH के जलीय विलयन के लिए pH मान का परिकलन करें।

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Question:

omplete the following reactions 

 

Image ignouassignments-ignouacademy-com--p-your-47055

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Question:

 Arrange the following molecules in order of increasing boiling points. Give reason for this trend: CHCl3, CH2Cl2, CH3Cl, CCl4 

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Question:

कौन से कारक दुर्बल इलेक्ट्रोलाइट के आयनीकरण की मात्रा को प्रभावित करते हैं? संक्षेप में समझाइए।

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Question:

 Predict the reactant of the following reaction:

 

Image ignouassignments-ignouacademy-com--p-ignou-84902

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Question:

Write the mechanism of chlorination of methyl benzene.

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Question:

साम्य पर दी गई अभिक्रिया के लिए :

equation

यदि साम्य को निम्नलिखित परिवर्तन द्वारा परिवर्तित किया जाए तो अभिक्रिया किस दिशा में, अभिकारकों की ओर अथवा उत्पादों की ओर स्थानांतरित होगी?

(i) H2 को मिलाने पर

(ii) NH3 को मिलाने पर

(iii) NH3 को निकालने पर 

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Question:

Write the product of the following reactions.

 

Image ignouassignments-ignouacademy-com--p-your-44067

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Question:

 What are the limitations of Friedel-Crafts alkylation reactions?

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Question:

 How would you prepare benzene from ethyne? Write its mechanism.

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Question:

 

What is Hückel rule? Define this with suitable example.

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Question:

 A 1.00 mol sample of NOCl was placed in a 2.00 L reactor and heated to 227 equationC until the system reached equilibrium. The contents of the reactor were then analyzed and found to contain 0.056 mol of Cl2. Calculate K at this temperature. The equation for the decomposition of NOCl to NO and Cl2 is as follows:
equation

PART B: FUNCTIONAL GROUP ORGANIC CHEMISTRY-I

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Question:

तीन आदर्श गैसों A, B, C के साम्य मिश्रण में, equation, 1.0 वायुमंडल के कुल दाब पर A के equation तक विघटन द्वारा प्राप्त हुआ, A, B और C की आंशिक दाब क्या होगी? 

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