S1T7:
Which of the following combinations has the greatest difference in boiling points?
Which of the following combinations has the greatest difference in boiling points?
Final Results
54%
A. HF, HI
12%
B. HCl, HI
4%
C. HCl, HBr
30%
D. HF, HCl
S1T7:
Which of the following halide salts reacts with concentrated sulphuric acid to produce the most reduced sulphur product?
Which of the following halide salts reacts with concentrated sulphuric acid to produce the most reduced sulphur product?
Final Results
42%
A. KI
19%
B. CaF₂
16%
C. NaBr
23%
D. MgCl₂
S1T7:
Which of the following combinations has the greatest difference in oxidation states of chlorine?
Which of the following combinations has the greatest difference in oxidation states of chlorine?
Final Results
15%
A. HCl, ClO₂
48%
B. HCl, HClO₄
10%
C. NaCl, NaClO
27%
D. NaCl, NaClO₃
S3T19:
Which of the following is the IUPAC nomenclature for HOOC-COOH?
Which of the following is the IUPAC nomenclature for HOOC-COOH?
Final Results
21%
A. Oxalic acid
10%
B. Ethanoic acid
54%
C. Ethanedioic acid
15%
D. Ethane-1,2-dicarboxylic acid
S3T19:
Which of the following is the systematic name for HOOC-CH₂-C(OH)(COOH)-CH₂-COOH?
Which of the following is the systematic name for HOOC-CH₂-C(OH)(COOH)-CH₂-COOH?
Final Results
34%
A. 3-hydroxypentane-1,3,5-trioic acid
34%
B. 3-hydroxypentane-1,3,5-tricarboxylic acid
9%
C. 2-hydroxypropane-1,2,3-trioic acid
23%
D. 2-hydroxypropane-1,2,3-tricarboxylic acid
S3T19:
X is the simplest alkene which undergoes oxidation with hot KMnO₄, H⁺ to form a stable carboxylic acid. Which of the following statements is true?
X is the simplest alkene which undergoes oxidation with hot KMnO₄, H⁺ to form a stable carboxylic acid. Which of the following statements is true?
Final Results
38%
A. X is ethene.
20%
B. Oxidative cleavage doesn't occur during the reaction.
22%
C. An inorganic carbon side product is formed in the reaction.
21%
D. The carboxylic acid formed reacts with ethanol to produce ethyl propanoate.
S3:
H₂O, ⁻CN, and ⁻OH are classified as:
H₂O, ⁻CN, and ⁻OH are classified as:
Final Results
20%
A. electrophile
70%
B. nucleophile
6%
C. free radical
5%
D. Lewis acid
S1:
Which of the following statements is NOT true?
Which of the following statements is NOT true?
Final Results
22%
A. Among the hydrides of halogens, HF has the highest boiling point.
39%
B. Among the oxides of Period 3, SiO₂ has the highest melting point.
14%
C. Among the Period 3 elements, Ar has the lowest melting point.
24%
D. Among the first row transition elements, only Cu has higher electrical conductivity than Ca.
S3:
"The most substituted alkene is the major product of an elimination reaction."
Which rule is related to the above statement?
"The most substituted alkene is the major product of an elimination reaction."
Which rule is related to the above statement?
Final Results
2%
A. Hund's rule
62%
B. Saytzeff's rule
9%
C. Hofmann's rule
27%
D. Markovnikov's rule
S1:
"Electrons occupy degenerate orbitals singly with parallel spins before pairing up."
Which principle or rule is related to the above statement?
"Electrons occupy degenerate orbitals singly with parallel spins before pairing up."
Which principle or rule is related to the above statement?
Final Results
70%
A. Hund's rule
11%
B. Aufbau principle
19%
C. Pauli exclusion principle
0%
D. Heisenberg Uncertainty Principle
S3T16:
2-Phenylbutan-2-ol can be prepared by reacting a Grignard reagent with a carbonyl compound. Which of the following is not the carbonyl compound used?
2-Phenylbutan-2-ol can be prepared by reacting a Grignard reagent with a carbonyl compound. Which of the following is not the carbonyl compound used?
Anonymous Quiz
14%
A. C₆H₅COCH₃
44%
B. CH₃COCH₂CH₃
9%
C. CH₃CH₂COC₆H₅
33%
D. C₆H₅CH₂COCH₃
S1T6:
X has a valence electronic configuration of 4s²4p².
Which of the following statements is NOT true about X?
X has a valence electronic configuration of 4s²4p².
Which of the following statements is NOT true about X?
Anonymous Quiz
36%
A. The valence band and conduction band of X overlap.
30%
B. Both XO and XO₂ are amphoteric oxides.
14%
C. XCl₄ undergoes hydrolysis readily.
20%
D. XO is less stable than XO₂.