Question

Which of the following products are not correctly matched in the given reactions?
1. C2H5OCH, + HBr 373k→ C2H5OH +CH3Br
2. C2H5OC2H5 + 2HI excess→ C2H5I +C2H5OH
3. C2H5OC2H5 + HCl - Cold → [(C2H5)2O^+ H]Cl^-
4. (CH3)3 COC2H5 -HI → (CH3)3CI + C2H5OH
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Answer 1

Answer:

* The difference of and interger a and (- 6) is 4 find the value of a