What must be combined with a halogen to give it a positive oxidation number?
- Correct Answer: carbon
- nitrogen
- calcium
- oxygen
Explanation: Halogens (Cl, Br, I) have negative oxidation numbers when they form halide compounds. When combined with oxygen, they have positive numbers. In the chlorate ion (ClO 3 - ), the oxidation number of Cl +5, and the oxidation number of O is -2.
More Random Questions
Q: Which Harappan site is famous for seals?
Ans: Mohenjo-Daro
Ans: Mohenjo-Daro
Q: Where does the stored energy in fossil fuels originally come from, before it changed forms several times?
Ans: the sun
Ans: the sun
Q: Which country has announced to make a law to ban the use of social media for children under 16 years of age?
Ans: Australia
Ans: Australia
Q: What was a key driver for the box office increase in 2025?
Ans: Fewer wide releases
Ans: Fewer wide releases
Q: Which organization started the Republic Day Camp-2025 successfully on January 10, 2025?
Ans: Indian Space Research Organization
Ans: Indian Space Research Organization
Q: In Charaka Samhita, which Chikitsa is indicated for Kaphaja Arsha?
Ans: Vamana
Ans: Vamana
Q: What is the mass that is "lost" in fission or fusion actually converted to?
Ans: energy
Ans: energy
Q: What was the slogan of the Quit India Movement launched in 1942?
Ans: Do or Die
Ans: Do or Die
Q: What was the projected domestic box office revenue for 2025?
Ans: $8.4 billion
Ans: $8.4 billion
Q: Who has been awarded Singapore's 'Highest Arts Honor'?
Ans: G. Retnam
Ans: G. Retnam
Q: Who developed a classification system that divided living things into several groups that we still use today, including mammals, insects, and reptiles?
Ans: harrold
Ans: harrold
Q: Who addressed the general session of the United Nations General Assembly 2024 on behalf of India?
Ans: S. Jaishankar
Ans: S. Jaishankar
Q: Trees, which can be planted and harvested, are an example of what type of resource?
Ans: geothermal
Ans: geothermal
Q: What is the penalty for driving without a registration certificate?
Ans: ₹2,000
Ans: ₹2,000
Q: A pregnant patient develops gestational diabetes. Which intervention is first-line?
Ans: Dietary modification
Ans: Dietary modification
