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- Question
NH3 oxidation number?
Options- A. -1
- B. +1
- C. 0
- D. -3
- Correct Answer
- 0
ExplanationNH3, Ammonia is a neutral compound as the individual oxidation numbers elements that make up the compound NH3 are Nitrogen (N) and Hydrogen (H) sum to zero.
We do not speak of the oxidation number of a molecule. We can speak of the oxidation numbers of the individual elements that make up the compound.
Here the oxidation number of Nirogen is -3 and that of Hydrogen is +1.
Now, NH3 = 1(-3) + 3(+1) = -3 + 3 = 0.
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Options- A. Gaya
- B. Bhopal
- C. Varanasi
- D. Bijapur Discuss
- 2. Who invented Gunpowder?
Options- A. G. Ferdinand Von Zeppelin
- B. Sir Frank Whittle
- C. Roger Bacon
- D. Leo H Baekeland Discuss
- 3. Jeev Milkha Singh is associated with which sports?
Options- A. Volleyball
- B. Golf
- C. Athletics
- D. Hockey Discuss
- 4. The largest dry rock in India is situated at
Options- A. Mumbai
- B. Cochin
- C. Marmugao
- D. Kolkata Discuss
- 5. The landmass of which of the following continents is the least?
Options- A. Africa
- B. Asia
- C. Australia
- D. Europe Discuss
- 6. 'Vijay Stambha' is situated in
Options- A. Jaipur
- B. Agra
- C. Delhi
- D. Chittor Discuss
- 7. Balloons are filled with
Options- A. nitrogen
- B. helium
- C. oxygen
- D. argon Discuss
- 8. Plants hormone that induces cell division is
Options- A. auxins
- B. gibberellins
- C. kinins
- D. domins Discuss
- 9. The Vedic deity Indra was the Goddess of
Options- A. wind
- B. eternity
- C. rain and thunder
- D. fire Discuss
- 10. The minimum age required to become a member of Rajya Sabha is
Options- A. 21 years
- B. 25 years
- C. 30 years
- D. 35 years Discuss
More questions
Correct Answer: Bhopal
Correct Answer: Roger Bacon
Correct Answer: Golf
Correct Answer: Marmugao
Correct Answer: Australia
Correct Answer: Chittor
Correct Answer: helium
Correct Answer: kinins
Correct Answer: rain and thunder
Correct Answer: 30 years
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