JEE Advanced 2025 Paper 1

Section: Chemistry

Question : 39 of 48

Marks: +1, -0

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 )

[JEE Adv 2025 P1]

C−X bond length in P,Q and R follows the order Q>R>P.
C−X bond enthalpy in P,Q and R follows the order R>P>Q.
Relative reactivity toward SN2 reaction in P,Q and R follows the order P>R>Q.
pKa value of the conjugate acids of the leaving groups in P,Q and R follows the order R>Q>P.

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