S3T16:
The alcohol X, with the formula C₆H₅C(CH₃)(OH)CH₂CH₃, is prepared using a Grignard reagent as shown below:
Haloalkane S → Grignard reagent → Alcohol X. Which of the following is not a possible haloalkane S?
The alcohol X, with the formula C₆H₅C(CH₃)(OH)CH₂CH₃, is prepared using a Grignard reagent as shown below:
Haloalkane S → Grignard reagent → Alcohol X. Which of the following is not a possible haloalkane S?
Final Results
27%
A. CH₃Cl
29%
B. C₆H₅Br
10%
C. CH₃CH₂Br
35%
D. C₆H₅CH₂Cl
S3T16:
Which of the following compounds is not suitable for preparing a Grignard reagent?
Which of the following compounds is not suitable for preparing a Grignard reagent?
Final Results
47%
A. Benzyl chloride
10%
B. Bromobenzene
21%
C. Chlorobenzene
22%
D. Iodobenzene
S1T3:
Which of the following molecules is not planar?
Which of the following molecules is not planar?
Final Results
41%
A. CO₂
14%
B. C₆H₆
29%
C. CH₂=CHCH₃
16%
D. CH₂=CHC≡CH
S3:
Which of the following is not a dehydrating agent?
Which of the following is not a dehydrating agent?
Final Results
10%
A. Al₂O₃
23%
B. SiO₂
47%
C. LiAlH₄
20%
D. Conc. H₂SO₄
S3:
Which of the following is not a reducing agent?
Which of the following is not a reducing agent?
Final Results
21%
A. H₂
12%
B. NaBH₄
18%
C. LiAlH₄
49%
D. CrO₂Cl₂
S1T6:
Which of the following tetrachlorides has the highest boiling point?
Which of the following tetrachlorides has the highest boiling point?
Final Results
23%
A. PbCl₄
37%
B. CCl₄
16%
C. SnCl₄
25%
D. SiCl₄
S1T6:
Which of the following best describes why carbon tetrachloride cannot be hydrolysed?
Which of the following best describes why carbon tetrachloride cannot be hydrolysed?
Final Results
2%
A. Carbon is a Period 2 element.
0%
B. CCl₄ has the smallest molecular size among the Group 14 tetrachlorides.
67%
C. CCl₄ has no empty d-orbitals to accept lone pairs of electrons from the oxygen atom in H₂O.
30%
D. The carbon atom has no d-orbitals to form dative bond with the oxygen atom in H₂O.
S1T6:
Which of the following statements is correct?
Which of the following statements is correct?
Final Results
9%
A. CO₂ is less stable than CO.
22%
B. PbCl₄ exists as a colourless liquid at room conditions.
37%
C. SiO is categorised as a neutral oxide, while SiO₂ is an amphoteric oxide.
32%
D. The boiling point of SiCl₄ is lower than that of CCl₄.
❤1
S1T6:
Which of the following statements is false?
Which of the following statements is false?
Final Results
21%
A. The band gap in germanium is smaller than that of silicon.
32%
B. Lead has a small band gap between the valence band and the conduction band.
29%
C. Diamond (carbon) has a very large band gap between the valence band and the conduction band.
18%
D. Graphite (carbon) has no significant band gap between the valence band and the conduction band.
S3T17:
What is the IUPAC name of the compound with the formula HO-C₆H₄-CH₂OH, where the -OH and -CH₂OH groups are located at opposite positions on the benzene ring?
What is the IUPAC name of the compound with the formula HO-C₆H₄-CH₂OH, where the -OH and -CH₂OH groups are located at opposite positions on the benzene ring?
Final Results
14%
A. 4-hydroxyphenylmethanol
20%
B. Hydroxlyphenylmethanol
52%
C. 4-(hydroxymethyl)phenol
14%
D. 4-(methylhydroxyl)phenol
S3T17:
What is the IUPAC name of CH₂=CHCH₂CH(OH)CH₃?
What is the IUPAC name of CH₂=CHCH₂CH(OH)CH₃?
Final Results
30%
A. 4-penten-2-ol
25%
B. Pent-4-ene-2-ol
33%
C. 4-hydroxy-1-pentene
12%
D. 4-hydroxypenta-1-ene
S3T16:
What is the IUPAC name of CH₃CH₂CHBrCH₂CH₂CH₂CH(CH₃)₂?
What is the IUPAC name of CH₃CH₂CHBrCH₂CH₂CH₂CH(CH₃)₂?
Final Results
41%
A. 3-bromo-7-methyloctane
27%
B. 6-bromo-2-methyloctane
5%
C. 3-bromo-2-methyloctane
27%
D. 5-bromo-1,1-dimethylheptane
❤1
S3T16:
What is the IUPAC name of CH2=CHCHBrCH3?
What is the IUPAC name of CH2=CHCHBrCH3?
Final Results
57%
A. 3-bromobut-1-ene
17%
B. 2-bromobut-3-ene
15%
C. 2-bromobut-1-ene
11%
D. 3-bromobuta-1-ene
S1T6:
MO is classified as a neutral oxide, while MO₂ is an acidic oxide with a giant covalent structure. Which of the following is M?
MO is classified as a neutral oxide, while MO₂ is an acidic oxide with a giant covalent structure. Which of the following is M?
Final Results
16%
A. C
71%
B. Si
7%
C. Ge
5%
D. Pb
S1T6:
Which of the following Group 14 elements forms both gaseous monoxide and dioxide?
Which of the following Group 14 elements forms both gaseous monoxide and dioxide?
Final Results
83%
A. C
6%
B. Si
6%
C. Ge
5%
D. Sn
S1:
All of the following options have only amphoteric oxides, except for:
All of the following options have only amphoteric oxides, except for:
Final Results
13%
A. Al₂O₃, SnO, SnO₂
13%
B. GeO, SnO, PbO₂
21%
C. BeO, Al₂O₃, PbO
54%
D. GeO₂, SnO₂, MgO
S1T6:
Which of the following is the IUPAC name of Na₂Sn(OH)₆?
Which of the following is the IUPAC name of Na₂Sn(OH)₆?
Final Results
4%
A. Sodium stanate(IV)
4%
B. Sodium stannate(II)
53%
C. Sodium hexahydroxostanate(IV)
40%
D. Sodium hexahydroxostannate(IV)
S1T6:
Which of the following is the correct name for the complex ion with the formula [Pb(OH)₄]²⁻?
Which of the following is the correct name for the complex ion with the formula [Pb(OH)₄]²⁻?
Final Results
8%
A. Plumbate(II)
22%
B. Lead(II) tetrahydroxide
8%
C. Tetrahydroxoleaded(II)
62%
D. Tetrahydroxoplumbate(II)
S1T8:
How many elements are in the first row of the transition elements?
How many elements are in the first row of the transition elements?
Final Results
51%
A. 10
10%
B. 9
30%
C. 8
9%
D. 6
S1T8:
How many elements are there in the first row of d-block elements?
How many elements are there in the first row of d-block elements?
Final Results
13%
A. 7
23%
B. 8
8%
C. 9
56%
D. 10