JEE MAIN - Chemistry (2020 - 2nd September Morning Slot - No. 5)
The increasing order of the following
compounds towards HCN addition is :
_2nd_September_Morning_Slot_en_5_2.png)
(iii) < (iv) < (ii) < (i)
(i) < (iii) < (iv) < (ii)
(iii) < (i) < (iv) < (ii)
(iii) < (iv) < (i) < (ii)
Explanation
In HCN, CN–
is acts as nucleophile, attack first that –CHO group which has maximum positive
charge. The magnitude of the (+ve) charge increases by –R and –I group. So reactivity order will
be
_2nd_September_Morning_Slot_en_5_4.png)
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