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Which of the following statement is incorrect?

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Hyponitrous acid shows geometrical isomerism.

$H_{4} P_{2} O_{6}$ is tribasic in which P-P linkage is present.

${CCl}_{4}$ and ${SiCl}_{4}$ have different order of boiling point and M.wt.

$B_{2}^{2 +}$ does not exist.

answer is B.

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Detailed Solution

Hypo phosphoric acid possesses a P–P bond, as can be seen in the figure.

So, the correct option is B.

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