TS EAMCET · Chemistry · Structure of Atom
Which of the following are correct? (1) Electron density in \(X Y\) plane for \(d_{x^2-y^2}\) orbital is zero. (2) The energy of \(3 p\)-orbital is higher than the energy of \(2 p\)-orbital. (3) \(3 p_z\)-orbital has one angular node. (4) 4 -orbital has no radial node.
- A \(1,2,3,4\)
- B 2, 3, 1
- C \(2,3,4\)
- D \(3,4,1\)
Answer & Solution
Correct Answer
(C) \(2,3,4\)
Step-by-step Solution
Detailed explanation
1. In \(d_{x^2-y^2}\) orbital, electrons are present on the \(x\) and \(y\) axis, hence electron density is not zero. 2. According to \((n+l)\) rule, higher be the sum of \((n+l)\), higher is the energy. \(\because\) For \(3 p,(n+l)=3+1=4\) and for \(2 p,(n+l)=2+1=3\) Thus,…
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