S1T3:
Which of the following species does NOT have the same electron geometry as the others?
Which of the following species does NOT have the same electron geometry as the others?
Final Results
29%
A. H₂S
3%
B. PH₃
42%
C. SO₃
26%
D. SiCl₄
S1T3:
What is the electron geometry of the ammonia molecule?
What is the electron geometry of the ammonia molecule?
Final Results
1%
A. Octahedral
44%
B. Tetrahedral
30%
C. Trigonal planar
24%
D. Trigonal pyramidal
S1T3:
Which of the following statements about the ammonium and nitrate ions is true?
Which of the following statements about the ammonium and nitrate ions is true?
Final Results
15%
A. Both ions have the same molecular shape.
30%
B. Both ions have the same electron geometry.
35%
C. The central atoms of both ions have the same formal charge.
20%
D. The bond angle in the ammonium ion is larger than in the nitrate ion.
S1T3:
Which of the following species exhibits an incomplete octet?
Which of the following species exhibits an incomplete octet?
Final Results
29%
A. I₃⁻
13%
B. SO₂
43%
C. NO₂
16%
D. H₂S
S3T14:
Which of the following statements is true about CH₃COOH?
Which of the following statements is true about CH₃COOH?
Final Results
23%
A. It is called ethanedioic acid.
9%
B. It is a type of dicarboxylic acid.
34%
C. It has two sp³ hybridised atoms.
33%
D. It is a stronger acid than HCOOH.
S1T3:
Which of the following ions exhibits an expanded octet?
Which of the following ions exhibits an expanded octet?
Final Results
10%
A. CN⁻
67%
B. SO₄²⁻
12%
C. CO₃²⁻
11%
D. NO₃⁻
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S1T4:
Which of the following is a Period 3 metalloid?
Which of the following is a Period 3 metalloid?
Final Results
12%
A. Boron
67%
B. Silicon
17%
C. Silicone
4%
D. Chlorine
❤2
S1T3:
What is the electron geometry of SF₄?
What is the electron geometry of SF₄?
Final Results
28%
A. Seesaw
35%
B. Tetrahedral
14%
C. Square planar
23%
D. Trigonal bipyramidal
S1T15:
What is the name of the type of reaction shown below?
RCH=CH₂ + HX ----> RCHXCH₃
What is the name of the type of reaction shown below?
RCH=CH₂ + HX ----> RCHXCH₃
Final Results
18%
A. Addition reaction
37%
B. Hydrohalogenation
39%
C. Electrophilic addition
6%
D. Nucleophilic addition
S3T15:
Which of the following is the major product formed in the reaction of excess propane with bromine?
Which of the following is the major product formed in the reaction of excess propane with bromine?
Final Results
45%
A. CH₃CHBrCH₃
13%
B. CBr₃CBr₂CBr₃
14%
C. CH₃CH₂CH₂Br
28%
D. CH₃CHBrCH₂Br
😱1
S1T4:
Which of the following combinations of elements shows the greatest difference in electrical conductivity?
(Note: Only the symbols of the elements are shown.)
Which of the following combinations of elements shows the greatest difference in electrical conductivity?
(Note: Only the symbols of the elements are shown.)
Final Results
10%
A. Si and Cl
34%
B. Na and Ar
24%
C. Na and Al
31%
D Al and Cl
🤩1
S1T4:
X is a Period 3 element that exists as a molecular solid under room conditions. Its melting point is higher than that of sodium. What is X?
X is a Period 3 element that exists as a molecular solid under room conditions. Its melting point is higher than that of sodium. What is X?
Final Results
14%
A. Phosphorus
58%
B. Aluminium
4%
C. Chlorine
24%
D. Sulphur
❤2
S3T15(Quiz):
Which of the following is the correct IUPAC nomenclature for the compound with the formula CH₃CH₂CH₂CH(CHCH₃CH₂CH₃)CH(CH₃)CH(CH₃)₂?
Which of the following is the correct IUPAC nomenclature for the compound with the formula CH₃CH₂CH₂CH(CHCH₃CH₂CH₃)CH(CH₃)CH(CH₃)₂?
Anonymous Quiz
8%
A. Tridecane
27%
B. 2,3,5-trimethyl-4-propylheptane
44%
C. 4-sec-butyl-2,3-dimethylheptane
21%
D. 3-methyl-4-(1,2-dimethylpropyl)heptane
❤3
S1T4:
The oxide of X is insoluble in water. It reacts with aqueous sodium hydroxide but not with hydrochloric acid. What is X?
The oxide of X is insoluble in water. It reacts with aqueous sodium hydroxide but not with hydrochloric acid. What is X?
Final Results
20%
A. Al₂O₃
46%
B. SiO₂
8%
C. Al
26%
D. Si
S1T4:
Which of the following elements has the highest melting point?
Note: Only the symbols of the elements are used.
Which of the following elements has the highest melting point?
Note: Only the symbols of the elements are used.
Final Results
13%
A. Mg
15%
B. Al
66%
C. Si
5%
D. S
S1T4 (Quiz):
Which of the following oxides has the highest melting point?
Which of the following oxides has the highest melting point?
Final Results
10%
A. Sodium oxide
15%
B. Magnesium oxide
16%
C. Aluminium oxide
59%
D. Silicon(IV) oxide
S1T4:
X is an ionic compound with significant covalent character. Which of the following is most likely to be X?
X is an ionic compound with significant covalent character. Which of the following is most likely to be X?
Final Results
10%
A. AlF₃
40%
B. AlCl₃
43%
C. Al₂O₃
6%
D. MgCl₂
S1T3:
Which of the following compounds/ions does not contain dative bond?
Which of the following compounds/ions does not contain dative bond?
Final Results
35%
A. CO
33%
B. NH₃
13%
C. NO₃⁻
19%
D. Be₂Cl₄