Q9/10: The primary separation principle involved in standard paper chromatography is:
Anonymous Quiz
36%
Adsorption
30%
Partition
20%
Sublimation
14%
Centrifugation
0%
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Q10/10: The inductive effect in organic molecules primarily involves:
Anonymous Quiz
24%
Delocalisation of pi electrons.
49%
Displacement of sigma electrons.
20%
Complete transfer of electrons.
3%
Homolysis of strong bonds.
3%
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✨ Quiz Time! ✨
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Q1/10: Which of the following nitrogenous compounds will NOT respond to Lassaigne's test for nitrogen?
Anonymous Quiz
25%
Hydrazine
35%
Urea
25%
Aniline
11%
Pyridine
4%
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Q2/10: Assertion: Carboxylic acids lack typical reactions of carbonyl groups. Reason: The carbonyl carbon is less electrophilic due to resonance.
Anonymous Quiz
51%
Both A and R are true and R is correct.
29%
Both A and R are true but R is wrong.
11%
A is true but R is false.
8%
A is false but R is true.
1%
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Q3/10: Hyperconjugation, an important stabilizing effect in organic chemistry, is also commonly known as:
Anonymous Quiz
27%
No bond resonance
27%
Electromeric effect
17%
Inductive effect
27%
Resonance effect
4%
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Q4/10: Which laboratory technique is used for purifying liquids that boil with decomposition at normal pressure?
Anonymous Quiz
27%
Fractional distillation
20%
Steam distillation
45%
Distillation under reduced pressure
7%
Sublimation
1%
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Q5/10: The correct IUPAC name of the branched alkene CH2=CH-CH(CH3)2 is:
Anonymous Quiz
10%
1-Isopropylidene
39%
3-Methyl-1-butene
27%
2-Methyl-3-butene
23%
3,3-Dimethyl-1-propene
1%
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Q6/10: In which specific type of resonance does a substituent group withdraw pi electrons from the conjugated system?
Anonymous Quiz
34%
+R effect
32%
-R effect
22%
+I effect
10%
-I effect
2%
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Q7/10: Which of the following is the general formula for open-chain alkanes?
Anonymous Quiz
20%
CnH2n
65%
CnH2n+2
12%
CnH2n-2
3%
CnH2n-4
0%
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Q8/10: The number of carbon atoms in a hexane molecule is:
Anonymous Quiz
8%
4
10%
5
74%
6
7%
7
1%
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Q9/10: Which catalyst is commonly used in the hydrogenation of unsaturated hydrocarbons to alkanes?
Anonymous Quiz
13%
Iron
53%
Nickel
23%
Copper
9%
Zinc
2%
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Q10/10: Wurtz reaction is primarily used for the preparation of which type of compounds?
Anonymous Quiz
45%
Alkanes
32%
Alkenes
17%
Alkynes
6%
Arenes
0%
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class 11th chemistry notes
📚 ALL SUBJECTS PREMIUM BOOKS | SESSION 2026–27🚀 Start your preparation for the new CBSE Session 2026–27 with the best study books & question banks! 💯 ✨ Read these books completely and solve every question. With consistent practice, scoring 90–95%+ is absolutely…
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📚 ALL SUBJECTS PREMIUM BOOKS | SESSION 2026–27🚀
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