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Which of the following statements is/are correct?
A) Two hydrogen atoms are attached to Phosphorous atom in Hypophosporous acid.
B) $H_{2} S O_{3}$ is stronger acid than $H_{3} P O_{3}$ .
C) HCl is the stronger acid than $H F$ in aqueous medium.
D) $C_{2}$ molecule contains one sigma bond and one pi bond in vapour state.

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All are correct

Only A and B are correct

A,B and C are correct

only A is correct

answer is C.

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