Assertion (A): Read the following statements (S) and explanations (E). Choose the correct answer...

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Assertion (A): Read the following statements (S) and explanations
(E). Choose the correct answers from the codes (a), (b),
(c) and \( (\mathrm{d}) \) :
\( \mathbf{S} \) is correct but \( \mathbf{E} \) is wrong
\( \mathbf{S} \) is wrong but \( \mathbf{E} \) is correct
Both \( \mathbf{S} \) and \( \mathbf{E} \) are correct and \( \mathbf{E} \) is correct explanation of
S
Both \( \mathbf{S} \) and \( \mathbf{E} \) are correct but \( \mathbf{E} \) is not correct explanation of \( \mathbf{S} \)
\( \mathrm{S}: \mathrm{H}_{3} \mathrm{PO}_{3} \) is dibasic acid.
Reason (R): \( \mathbf{E} \) : Two hydrogen atoms are directly attached to phosphorus atoms.
(A) Both A and R are true and R is the correct explanation of A.br(B) Both A and R are true, but R is not the correct explanation of A.
(C) A is true, but R is false.
(D) A is false, but R is true.
(E) Both A and R are false.
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