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What are lyophilic colloids?...

What are lyophilic colloids?

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Due to ortho - effect, O- hydroxybenzoic acid is the stronger acid i.e. at o-position, OH- group exerts strong + R -effect and -I-effect but at p-position OH- group exerts only +R-effect.
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What are lyophobic Colloids?

each question constain STATEMENT-1(Assertion ) and STATEMENT - 2 (reason). examine the statement carefully and work the correct answer accoridng to the instructions given below : STATEMENT-1: Protein, starch are lyophilic colloids. STATEMENT-2: They have strong interaction with the dispersion medium.

All colloids :

Out of these which colloidal solution is not a lyophilic colloid ?

How will you differentiate Lyophilic colloids from Lyophobic colloids?

The stability of lyophilic colloids is due to which of the following ?

select correct statement (s) : lyophobic colloids are used to protect lyophillic colloids, Dehydrating agent is used to coagulation sols, Rubber is obtained by coagulation of latex, sometimes ,the rainfall occurs when two oppositely charged clouds meet.

Which of the following is a lyophillic colloid ?

OMEGA PUBLICATION-ALDEHYDES, KETONES AND CARBOXYLIC ACIDS -MULTIPLE CHOICE QUESTIONS
  1. What are lyophilic colloids?

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  2. In the following reaction, product P is R - overset(O)overset(||)C -...

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  3. Rosenmund's reduction of an acyl chloride gives

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  4. The wavelength of a beam of light is 25 micrometer. What is its wavenu...

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  5. Which of the following compounds gives a ketone with Grignard's reagen...

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  6. Identify the product Y in the sequence. CH3 CHO + CH3 MgBr overset(...

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  7. Which of the following reacts with NaOH to produce an acid and an alco...

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  8. Which of the following gives aldol condensation reaction?

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  9. CH3 - overset(O)overset(||)C - CH2 - CH3, overset(SeO2)to X + H2O here...

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  10. The following reaction is known as

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  11. What happens when ethanoyl chloride is reduced with H2 in the presence...

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  12. If formaldehyde and KOH are heated, then we get

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  13. The addition of HCN to carbony compounds ts an example of

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  14. Dimerisation in carboxylic acid is due to

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  15. Lower carboxylic acids are soluble in water due to

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  16. Carboxylic acids are more acidic than phenols and alcohols because of

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  17. CH3 COCl can be obtained directly by reacting PCl5 with

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  18. HCOOH reacts with conc. H2SO4 to produce

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  19. The reaction RCH2 CH2 COOH underset(Br2) overset("Red P")to R - CH2-...

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  20. C6H6+CO + HCl overset("Anhy"AlCl3) to X + HCl Compound X is

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  21. The chemical reaction of acetaldehyde and ammonia gives

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