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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?
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?
Final Results
83%
A. C
6%
B. Si
6%
C. Ge
5%
D. Sn
S1T6:
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?
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?
Final Results
13%
A. 7
23%
B. 8
8%
C. 9
56%
D. 10
S3:
Which of the following reagents can be used to differentiate ethanol and propan-1-ol?
Final Results
10%
A. [Ag(NH₃)₂]⁺, ⁻OH
22%
B. HCl, ZnCl₂
33%
C. KMnO₄, H⁺
35%
D. I₂, ⁻OH
S3:
Which of the following can be used to differentiate between 1-propanol and 2-propanol?
Final Results
8%
A. Na
44%
B. KMnO₄, H⁺
35%
C. HCl, ZnCl₂
13%
D. AgNO₃(aq)
S3T17:
One mole of a hydroxy compound reacts with sodium to release one mole of hydrogen gas. Which of the following is the hydroxy compound described?
Final Results
17%
A. C₆H₅OH
24%
B. CH₃CH₂OH
45%
C. HOCH₂CH₂OH
14%
D. HOCH₂COOCH₃
S3T17:
Which of the following cannot be used to distinguish 2-methylpropan-2-ol from propan-2-ol?
Final Results
17%
A. HCl, ZnCl₂
19%
B. KMnO₄, H⁺
29%
C. I₂, NaOH
35%
D. Na
S1T8:
Which of the following is related to the ability of Ni to act as a catalyst in the hydrogenation of ethene?
Final Results
17%
A. Ni has a high charge density.
10%
B. Ni has a low ionisation energy.
16%
C. Ni has various oxidation states.
57%
D. Ni has vacant d-orbitals.
S3T17:
Which of the following reagents can differentiate phenol and phenylmethanol?
Final Results
15%
A. Na
44%
B. FeCl₃
27%
C. I₂, ⁻OH
14%
D. Na₂CO₃
S3T17:
Which of the following is not an oxidising agent?
Final Results
31%
A. Cu
33%
B. PCC
26%
C. H₂CrO₄
9%
D. KMnO₄
S3T17:
What is the full name of PCC, which is used to convert a primary alcohol to an aldehyde?
Final Results
9%
A. Putra Conventional Centre
21%
B. Platinum Chromium Chloride
50%
C. Pyridinium Chlorochromate
20%
D. Phosphorus Carbonchromate
1
2025/10/19 21:43:13
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