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    Question

    Which of the following statements is correct regarding

    the cyanide sensor developed by researchers at the Central University of Kerala?
    A The sensor was developed by a team led by Dr. Ravi Kumar Kanaparthi and is highly sensitive and selective for detecting cyanide in water and food products. Correct Answer Incorrect Answer
    B The sensor changes color from colorless to yellow upon detecting cyanide, providing a simple visual cue. Correct Answer Incorrect Answer
    C The World Health Organization (WHO) limits cyanide concentration in water to 0.19 mg/L, and the sensor is designed to detect levels above this limit. Correct Answer Incorrect Answer
    D The sensor was primarily tested on cyanide detection in mango extracts and has been developed into a strip for easy field testing. Correct Answer Incorrect Answer
    E The findings were published in the Journal of Analytical Chemistry, with ongoing work to adapt the sensor for quantitative cyanide estimation. Correct Answer Incorrect Answer

    Solution

    тАв Option A is correct: The sensor was indeed developed by a research team at the Central University of Kerala led by Dr. Ravi Kumar Kanaparthi and is highly sensitive and selective for detecting cyanide, enhancing safety in water and food products. тАв Option B is incorrect: The sensor changes color from yellow to colorless upon detecting cyanide, not the other way around. тАв Option C is incorrect: While the WHO limits cyanide concentration in water to 0.19 mg/L, the sensor is designed to detect even lower concentrations, not just those above this limit. тАв Option D is incorrect: The sensor was tested on cyanide detection in tapioca extracts, not mango extracts. тАв Option E is incorrect: The findings were published in the Journal of Photochemistry and Photobiology A: Chemistry, not in the Journal of Analytical Chemistry.

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