Class 12th chemistry notes
14.4K subscribers
39 photos
2 videos
87 files
87 links
More Material :- @all_channel_links

Contact here @MaterialXrequest_bot for requesting any Study materials

Contact here at @PromoXtalk_bot for any bussiness/ promotion related queries
Download Telegram
Q1/10: Which reagent is best for converting a primary alcohol directly to a carboxylic acid?
Anonymous Quiz
19%
PCC
54%
Acidified KMnO4
13%
CrO3 in anhydrous medium
14%
NaBH4
Q2/10: Tollens reagent test is positive for:
Anonymous Quiz
25%
Ketones
18%
Ethers
17%
Alcohols
39%
Aldehydes
Q3/10: Which compound is formed when acetaldehyde reacts with HCN?
Anonymous Quiz
49%
Cyanohydrin
12%
Acetal
26%
Hemiacetal
12%
Oxime
Q4/10: Assertion (A): p-Nitrophenol is more acidic than phenol. Reason (R): Nitro group is electron-withdrawing.
Anonymous Quiz
51%
Both A & R are true, R explains A
32%
Both A & R are true, R does not explain A
12%
A is true, R is false
5%
A is false, R is true
👍1
Q5/10: Which alcohol reacts fastest with Lucas reagent?
Anonymous Quiz
24%
Butan-1-ol
23%
Butan-2-ol
40%
2-Methylpropan-2-ol
14%
Propan-1-ol
Q6/10: Denatured alcohol is ethanol made unfit for drinking by adding:
Anonymous Quiz
27%
Water
56%
Methanol and Pyridine
7%
Acetic acid
8%
Chloroform
Q7/10: The boiling point of aldehydes and ketones is lower than corresponding alcohols due to:
Anonymous Quiz
58%
Absence of intermolecular H-bonding
25%
Lower molecular mass
11%
High polarity
4%
High density
❤1
Q8/10: Decarboxylation of sodium acetate with soda lime yields:
Anonymous Quiz
26%
Ethane
44%
Methane
20%
Propane
8%
Ethene
Q9/10: What is the final product when benzene reacts with acetyl chloride in the presence of anhydrous AlCl3?
Anonymous Quiz
24%
Benzaldehyde
32%
Benzophenone
32%
Acetophenone
12%
Toluene
❤1
🎉 Quiz Finished! 🎉

Thank you for participating.

Keep learning, keep growing, and come back tomorrow for more questions!

Free Premium PDFs: acadpills.com/premium

Next quiz today at 21:00 (in 23h 50m)
✨ Quiz Time! ✨

Answer today's quiz questions and test your knowledge.

Every question is a step toward exam success!

FREE Premium PDFs Available Here: acadpills.com/premium

Good luck!
Q1/10: Ethanoic acid on heating with P2O5 gives:
Anonymous Quiz
7%
Ethanal
35%
Ethanol
49%
Ethanoic anhydride
9%
Ethyl ethanoate
❤1
Q2/10: In Kolbe's reaction, phenol reacts with CO2 and NaOH to mainly form:
Anonymous Quiz
30%
Salicylaldehyde
29%
Benzoic acid
35%
Salicylic acid
5%
Phthalic acid
Q3/10: Which compound cannot be prepared by Williamson ether synthesis?
Anonymous Quiz
30%
Methoxybenzene
34%
tert-Butyl methyl ether
25%
Di-tert-butyl ether
10%
Ethoxyethane
Q5/10: Wolff-Kishner reduction uses which reagent?
Anonymous Quiz
46%
NH2NH2 and KOH/Glycol
30%
Zn-Hg and HCl
19%
LiAlH4
3%
NaBH4
Q6/10: Which of the following carboxylic acids contains a chiral carbon?
Anonymous Quiz
16%
Acetic acid
23%
Propanoic acid
48%
2-Hydroxypropanoic acid
13%
Butanoic acid
Q7/10: Ethylene glycol on oxidation with periodic acid gives:
Anonymous Quiz
14%
Formic acid
35%
Formaldehyde
28%
Acetic acid
21%
Glyoxal
❤1
Q8/10: Assertion: Benzaldehyde is less reactive than propanal towards nucleophilic addition. Reason: The polarity of the carbonyl group is reduced in benzaldehyde due to resonance.
Anonymous Quiz
40%
Both A and R are true, R explains A
33%
Both A and R are true, R does not explain A
24%
A is true, R is false
4%
A is false, R is true