Which of the following statement is incorrect w.r.t. above sequence ?
(1) Compound A is the same compound which is obtained by dry distillation of calcium adipate
(2) B give blue colour with (i) P4+I2 (ii) AgNO2 (iii) HNO2 (iv)NaOH
(3) Formation of C involves rearrangment of in-termediate
(4) D on halogenation gives only one type of mono chlorinated product

'x' gm of a compound A3B2C5 contains 'y' gm of A atoms

 

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how to represent the possible fischer projections for 2-bromohexane