What is the predicted magnetic moment of Cu+and Cu2+ ions in a Unit (Atomic number of Cu 29)?
The magnetic moment of ions like Cu+ and Cu2+ can be predicted based on their electronic configurations and the number of unpaired electrons.
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What is the predicted magnetic moment of Cu+and Cu2+ ions in a Unit (Atomic number of Cu 29)?
Calculate the lattice energy (in Units kJ mol-1) for ZnO crystal using Eq. 3.4 based on electrostatic model and using a Born-Haber cycle. Compare the two answers and comment on any difference.
Useful data:
Medelung constant (4) - 1.6411
Born Constant (n)-8
Internuclear distance (a) = 199 pm
Zn(s) + 1/2 O2(g) → ZnO(s) ΔHf-350.5 kJ mol-¹
Zn(s) → Zn(g) ΔHs-130.4 kJ mol-¹
Zn(g) → Zn+ (g) J(Zn)-906.3 kJ mol-¹
Zn+(s) → Zn2+(g) J(Zn+)-1733 kJ mol-¹
1/2 02(g) → O(g) 1/2ΔHd-248.5 kJ mol-¹
0(g)→O-(g) EA(O)-141 kJmol-¹
O-(g) →02(g) EA(O-)--780 kJ mol-¹
एक वीमा वाले बॉस में n = 3 के संगत कण की ऊर्जा का मान परिकलित करने के लिए व्यंजक का व्युत्पन्न कीजिए।
Complete following equations:
i) 30P + ... → 30Si
ii) 10B+n→ ...+a
iii) 20Ne+136Ba→ 150Dy+...
iv) ... + 2H→ 22Na+a
v) 241Am + ... → 243Bk + 2n
निम्नलिखित प्रत्येक के लिए अणु कक्षक विन्यास लिखकर आबंध क्रम ज्ञात कीजिए और निर्धारित कीजिए कौन अनुचुंबकीय
या प्रतिचुंबकीय है।
(i) NO
(ii) CO
(iii) O2+
Explain why 
π→ π* transitions are the most useful transition in UV-VIS spectroscopy?
The dipole moment of HBr is 2.60 x 10-30 Cm and interatomic distance 141 pm. What is the percentage ionic character of HBr?