In the following reaction, how many H^+s do you add or lose? Add 1 Add 2 Lose 1

Question

In the following reaction, how many H^+s do you add or lose? Add 1 Add 2 Lose 1 No change Which of the following structures contains an alkyne? 1 2 3 4 Which of the following structures contains an alkene? 1 2 3 4 Which of the follow mg structures contains an amine ? 1 2 3 4 Calculate the formal charge on the indicated atom. -1 +2 +1 -2 Which of the following is(are) not possible Lewis Structures) for C_2H_6O? What is the formal charge of the oxygen atom in the following structure? +2 +1 0 -1 -2 What is the formal charge of the oxygen atom in the following structure? +2 -1 0 +1 -2

Explanation / Answer

Answer – 15) We are given tetrahydro-2H-pyran and it is transformed in to the tetrahydro-2H-pyran-2-ol, so there is hydroxide group is substituted on the tetrahydro-2H-pyran, so it hydroxide replace the 1-H from tetrahydro-2H-pyran, so tetrahydro-2H-pyran lose 1 H+, so answer is C. Lose 1

16) We know the alkyne has the functional group is C triple bond C, so we need to look the structure with C triple bond C.

From the given options the structure 2 has the only C triple bond C, so answer is B.2

17) We know the alkene has the functional group is C=C, so we need to look the structure with C=C.

From the given options the structure 3 has the only C=C, so answer is C.3

18) We know the amine has the functional group is -NH2, so for the given structures, the 4th structure contain the amine functional group, so answer is D.4

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