1
IIT-JEE 2006
MCQ (More than One Correct Answer)
+5
-1.25
MgSO4 on reaction with NH4OH and Na2HPO4 forms a white crystalline precipitate. What is its formula?
2
IIT-JEE 2006
MCQ (More than One Correct Answer)
+5
-1.25
The species present in solution when CO2 is dissolved in water are
3
IIT-JEE 2006
MCQ (Single Correct Answer)
+6
-1.5
According to Bohr's theory
En = Total energy, Kn = Kinetic Energy, Vn = Potential Energy, rn = Radius of nth orbit
Match the following
En = Total energy, Kn = Kinetic Energy, Vn = Potential Energy, rn = Radius of nth orbit
Match the following
| Column I | Column II | ||
|---|---|---|---|
| (A) | $$\frac{V_n}{K_n} = ?$$ | (P) | 0 |
| (B) | If radius of $$n^{\text{th}}$$ orbit $$\propto E_n^x$$, $$x = ?$$ | (Q) | −1 |
| (C) | Angular momentum in lowest orbital | (R) | −2 |
| (D) | $$\frac{1}{r_n} \propto Z^y = ?$$ | (S) | 1 |
4
IIT-JEE 2006
MCQ (Single Correct Answer)
+3
-1
The coordination of $$\mathrm{Ni^2+}$$ is 4.
$$\mathrm{NiCl_2+KCN}$$ (excess) $$\to$$ A (cyano complex)
$$\mathrm{NiCl_2+ conc.~HCl}$$ (excess) $$\to$$ B (chloro complex)
The IUPAC names of $$\mathbf{A}$$ and $$\mathbf{B}$$ are
Paper Analysis
Total Questions
Chemistry 40
Mathematics 40
Physics 40
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