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At \(298.2 K\) the relationship between enthalpy of bond dissociation ( in \(kJ mol ^{-1}\) ) for hydrogen \(\left( E _{…

Q1

At \(298.2 K\) the relationship between enthalpy of bond dissociation ( in \(kJ mol ^{-1}\) ) for hydrogen \(\left( E _{ H }\right.\) ) and its isotope, deuterium \(\left(E_D\right)\), is best described by:

[JEE Main 2021, 25 Jul (Shift 1)]

a

\(E _{ H }= E _{ D }\)

b

\(E _{ H }=\frac{1}{2} E _{ D }\)

c

\(E _{ H }=2 E _{ D }\)

d

\(E _{ H } \simeq E _{ D }-7.5\)

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