Which of the following statements is true?

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(D) $1$. $PH_3$ is a stronger reducing agent than $NH_3$ because the $E-H$ bond dissociation enthalpy decreases down the group $(N-H > P-H)$.$2$. $NH_

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$PH_3$ is a stronger reducing agent than $NH_3$ and it has a lower critical temperature than $NH_3$.

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(D) $1$. $PH_3$ is a stronger reducing agent than $NH_3$ because the $E-H$ bond dissociation enthalpy decreases down the group $(N-H > P-H)$.$2$. $NH_3$ exhibits intermolecular hydrogen bonding,whereas $PH_3$ only has weak van der Waals forces. Consequently,$PH_3$ has a lower critical temperature than $NH_3$.

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