Questions
The longest wavelength of light capable of breaking a single (C-CI) bond in Cl2 is if
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By Expert Faculty of Sri Chaitanya
a
494 pm
b
494 nm
c
494 A∘
d
247 nm
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Correct option is B
ΔH=242kJmol−1=242×103Jmol−1=242×103JN0J molecule −1=242×103J6.02×1023J per (Cl−Cl) bond Also ΔH=hv=hcλ∴ λ=hcΔH=6.62×10−34Js×3×108ms−1×6.02×1023242×103J=4.94×10−7m=494×10−9m=494nmSimilar Questions
There is formation of in all five nodes (including terminal nodes) in a string of 12 cm. Thus, wavelength of the waves formed is
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