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Chemistry Mock Test
Chemistry Mock Test (Easy)
Chemical formulas, equations, compounds, and calculations practice for CSCA.
Multiple Choice (10 questions)
1
What is the hybridization state of the central atom in SF₄?
A. sp³d²
B. sp²
C. sp³d
D. sp³
Answer:C
2
For a first-order reaction, a plot of _______ versus time gives a straight line.
A. Concentration
B.1/Concentration
C.(Concentration)²
D. ln(Concentration)
Answer: D.
3
Which of the following has a square planar molecular geometry?
A.XeF₄
B.CH₄
C.SF₆
D.NH₃
Answer: A.
4
In the electrochemical cell: Zn | Zn²⁺ || Cu²⁺ | Cu, which half-cell is the anode?
A. Both are anodes
B. Zn | Zn²⁺
C. Both are anodes
D. Cannot be determined
Answer: B.
5
Which of the following is NOT a thermodynamic state function?
A. Work (w)
B. Entropy (S)
C. Internal Energy (U)
D. Enthalpy (H)
Answer: A.
6
The pH of a 0.01 M NaOH solution is:
A. 1
B. 12
C. 13
D. 2
Answer: C.
7
The number of sigma (σ) and pi (π) bonds in benzene (C₆H₆) are?
A. 6 σ, 6 π
B. 12 σ, 3 π
C. 12 σ, 6 π
D. 18 σ, 3 π
Answer: A.
8
Which of the following will exhibit optical isomerism?
A. [Co(NH₃)₆]³⁺
B. [Pt(NH₃)₂Cl₂]
C. [Co(en)₃]³⁺
D. [Ni(CO)₄]
Answer: C.
9
“The IUPAC name for [Co(NH₃)₅Cl]Cl₂ is:
A. Chloropentaamminecobalt (II) chloride
B. Pentaamminechlorocobalt (III) chloride
C. Pentaamminecobalt (III) chloride
D. Pentaamminecobalt (III) chloride
Answer: B. .
10
According to Crystal Field Theory, which ion will have the highest crystal field stabilization energy (CFSE) in an octahedral field?
A. [NiCl₄]²⁻
B. [Co(NH₃)₆]³⁺
C. [CoF₆]³⁻
D. [Fe(H₂O)₆]²⁺
Answer: B.
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