JEE-MAIN SERIES Chemistry
Ammonia
4 previous year questions.
Volume: 4 Ques
Yield: Medium
High-Yield Trend
1
2025 1
2024 2
2022 Chapter Questions 4 MCQs
01
PYQ 2022
medium
chemistry ID: jee-main
Reaction of [Co(H2O)6]2+ with excess ammonia and in the presence of oxygen results into a diamagnetic product. Number of electrons present in t2g-orbitals of the product is _______
02
PYQ 2022
hard
chemistry ID: jee-main
According to MO theory, number of species/ions from the following having identical bond order is ___.
CN-, NO+, O2, O+2, O2+2
CN-, NO+, O2, O+2, O2+2
03
PYQ 2024
medium
chemistry ID: jee-main
A gas βXβ is added to Nesslerβs reagent then brown precipitate is formed, gas X is
1
2
3
4
04
PYQ 2025
medium
chemistry ID: jee-main
When a salt is treated with sodium hydroxide solution, it gives gas X. On passing gas X through reagent Y, a brown coloured precipitate is formed. X and Y respectively, are:
1
X = NHβ and Y = HgO
2
X = NHβ and Y = KβHgIβ + KOH
3
X = NHβCl and Y = KOH
4
X = HCl and Y = NHβCl
About Ammonia - JEE-MAIN
Ammonia is a vital chapter for JEE-MAIN aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.
By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.
Frequently Asked Questions
Why focus on Ammonia PYQs?
Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.
How to best use this analysis?
Review the topic breakdown to see which sub-topics within Ammonia carry the most weight. Then, tackle the questions iteratively to solidify your understanding.