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All reagents, [Cu(NH3)2]^(o+), [Ag(NH3)2...

All reagents, `[Cu(NH_3)_2]^(o+)`, `[Ag(NH_3)_2]^(o+)`,
`CH_3MgBr`, and `NaNH_2` react with:

A

(a) Cyclooctyne

B

(b) Pent-1-yne

C

(c) Pent-2-yne

D

(d) Ethyne

Text Solution

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The correct Answer is:
B, D
All these reagents react with terminal alkyne and (b) and (d) are the terminal alkyne.
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The complex ion [Cu(NH_3)_4]^(2+) is

When an excess of ammonia solution is added to CuSO_(4) which solution is formed (a) [Cu(NH_(3))_(2)]^(2+) (b) [Cu(NH_(3))_(4)]^(o+) (c ) [Cu(NH_(3))_(2)]^(o+) (d) [Cu(NH_(3))_(4)]^(2+) .

The shape of [Cu(NH_3)_4]Cl_2 is:

For the reaction: [Cu(NH_(3))_(4)]^(2+) + H_(2)O hArr [Cu(NH_(3))_(3)H_(2)O]^(2+)+NH_(3) The net rate of reaction at any time is given net by: rate =2.0xx10^(-4) [[Cu(NH_(3))_(4)]^(2+)][H_(2)O]-3.0xx10^(5) [[Cu(NH_(3))_(3)H_(2)O]^(2+][NH_(3)] Then correct statement is (are) :

Ag^(o+) forms complexes some of these are [Ag(NH_(3))_(2)]^(o+),2[Ag(CN)_(2)]^(Θ),[Ag(S_(2)O_(3))_(2)]^(3-) Which of the following statements is true? .

The stepwise formation of [Cu(NH_3)_4]^(2+) is given below Cu^(2+)+NH_3overset(K_1)hArr[Cu(NH_3)]^(2+] [Cu(NH_3)]^(2+)+NH_3overset(K_2)hArr[Cu(NH_3)_2]^(2+) [Cu(NH_3)_2]^(2+)+NH_3overset(K_3)hArr[Cu(NH_3)_3]^(2+) [Cu(NH_3)_3]^(2+)+NH_3overset(K_4)hArr[Cu(NH_3)_4]^(2+) The value of stability constants K_1,K_2,K_3 and K_4 are 10^4,1.58xx10^3,5xx10^2 and 0^2 respectively. The overall equilibrium constant for dissociation of [Cu(NH_3)_4]^(2+)" is ""x"xx10^(-12) . The value of x is "______" . (Rounded off to the nearest integer)

The net rate of reaction of the change : [Cu(NH_(3))_(4)]^(2+)+H_(2)O ?" "[Cu(NH_(3))_(3)H_(2)P]^(2+)+NH_(3) is, (dx)/(dt) =2.0xx10^(-4)[Cu(NH_(3))_(4)]^(2+)-3.0xx10^(5)[Cu(NH_(3))_(3)H_(2)O]^(2+)[NH_(3)] Calculate : rate expression for forward and backward reactions.

CENGAGE CHEMISTRY-ALKYNES-Exercises (Multiple Correct Answers Type)
  1. In the following sequence of reactions, Which of the statements a...

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  2. Acetylene is thermodynamically unstable and readily explodes, therefor...

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  3. Which of the statements are correct for alkyne with molecular formula ...

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  4. For the conversion of alkyne to cis-alkene, H2+ Lindlar's catalyst is ...

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  5. i. Me--=-Hunderset((ii)H2O2//overset(Ө)OH)overset((i) Sia2BH)rarrA i...

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  6. Which of the following statements are correct?

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  7. Which of the following statement(s) is/are correct:

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  8. Compound (B) is same when (A) is:

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  9. Which of the statements are correct? R--=-R^'underset(+EtOH)overset(...

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  10. Which of the statements are correct? R--=-Runderset(Catalyst)overset...

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  11. Hydroboration oxidation and acid hydration will yield the same product...

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  12. C4H6underset(1 mol)overset(H2+Pt)rarrC4H8overset(O3//H2O)rarr Acedic a...

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  13. All reagents, [Cu(NH3)2]^(o+), [Ag(NH3)2]^(o+), CH3MgBr, and NaNH2 r...

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  14. Compound (A) does not react with Tollens or Grignard reagent, but afte...

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  15. Compound (A) reacts with [Cu(NH3)2]^(+) and Tollens reagent, but after...

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  16. Which of the statements are correct?

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  17. Reagents used in conversion from (A) to (B) are:

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  18. Which gas is in an antidote of Lewisite (a poisonous gas used in World...

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  19. Which statements are correct:

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  20. Which statements are correct for reagents A, B, C, and D?

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