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Q.

Which of the following statements is incorrect?

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a

Germanium, Arsenic, Antimony and Tellurium are all metalloids

b

Accoding to orbital overlap concept, greater the overlap the stonger is the bond formation between two atoms and that two atoms moust be in opposite spin

c

The crossed arrow used to represent (in chemistry) dipole moment symbolises the direction of the shift of electron density in the molecule

d

H2>D2 (Enthalpy of bond dissociation in  kJ  mol1 at 298.2 K )

answer is D.

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Detailed Solution

Enthalpy of bond dissociation  D2>H2

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