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Q.

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(Note: No Hydration across alkyne from A to B)

How many of the following are correct statements regarding above conversion 
A) x + y = 9
B) B consumes 6 mole NaOH for Acid – Base neutralization
C) B gives silver mirror test 
D) One mole of  B with excess Na  liberates 2 moles of  H2 gas
E) B gives turbidity immediately with Lucas reagent.

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answer is 3.

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Detailed Solution

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ADE
x = 7 ; y = z hence x + y =9
Structure of A                                                     Structure of B 

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(Note: No Hydration across alkyne from A to B)How many of the following are correct statements regarding above conversion A) x + y = 9B) B consumes 6 mole NaOH for Acid – Base neutralizationC) B gives silver mirror test D) One mole of  B with excess Na  liberates 2 moles of  H2 gasE) B gives turbidity immediately with Lucas reagent.