CEE MCQ HUB

26/08/2026

Q.The hybridisation of carbon in ethene (C₂H₄) is:
A. sp
B. sp²
C. sp³
D. dsp²

26/08/2026

Q.Which of the following is an example of an electrophile?
A. OH⁻
B. NH₃
C. BF₃
D. Cl⁻

26/08/2026

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25/08/2026

Q.Which vitamin is known as ascorbic acid?
A. Vitamin A
B. Vitamin B₁
C. Vitamin C
D. Vitamin D

24/08/2026

24/08/2026

Q Which of the following is an example of an SN2 reaction?
A. CH₃Br + OH⁻ → CH₃OH + Br⁻
B. (CH₃)₃CBr + H₂O → (CH₃)₃COH
C. Dehydration of ethanol
D. Nitration of benzene

24/08/2026

The pH of a neutral solution at 25°C is:
A. 0
B. 5
C. 7
D. 14

24/08/2026

Q Which gas is evolved when a metal reacts with dilute HCl?
A. O₂
B. H₂
C. Cl₂
D. CO

24/08/2026

Q.The hybridization of carbon in methane (CH₄) is:
A. sp
B. sp²
C. sp³
D. dsp²

24/08/2026

Q.Which of the following has the highest first ionization energy?
A. Na
B. Mg
C. Al
D. Si