Choose the correct option
Correct answer: D. Each of the chemical antiseptics was more harmful to the leucocytes than to the germs.
- A. Each of the chemical antiseptics was more harmfully to the leucocytes than to the germs.
- B. Each of the chemical antiseptics was more harmful to the leucocytes then to the germs.
- C. Each of the chemical antiseptics were more harmful to the leucocytes than to the germs.
- D. Each of the chemical antiseptics was more harmful to the leucocytes than to the germs.
Explanation
Each of the chemical antiseptics was more harmful to the leucocytes than to the germs. This option is correct as it maintains subject-verb agreement and uses the correct comparative structure "than to."Therefore, option D is the correct choice. It correctly states that each antiseptic is more harmful to leucocytes than to germs.
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About Alkyl Halides
Alkyl halides are named and related to their carbon-halogen structure, polarity and reactivity. The key reactions are nucleophilic substitution by SN1 and SN2 mechanisms and elimination by E1 and E2 mechanisms, including how substrate structure, nucleophile, base, solvent and temperature influence substitution versus elimination.
Practise Alkyl Halides
458 free Alkyl Halides MCQs from Chemistry, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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