JEE AdvancedChemistryHaloalkanes and HaloarenesMultiple correct+4 / −2
For the reaction sequence given below, the correct statement(s) is(are) 
(In the options, X is any atom other than carbon and hydrogen, and it is different in P, Q and R)
(In the options, X is any atom other than carbon and hydrogen, and it is different in P, Q and R)- AC–X bond length in P, Q and R follows the order Q > R > P.
- BC–X bond enthalpy in P, Q and R follows the order R > P > Q.
- CRelative reactivity toward SN2 reaction in P, Q and R follows the order P > R > Q.
- DpKa value of the conjugate acids of the leaving groups in P, Q and R follows the order R > Q > P.
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