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Chapter 22: 19P (page 868)

Which of the following species represent organometallic compounds:

(a)BrMgC鈮�CCH2CH3 ; (b) NaOCH2CH3 ; (c)KOC(CH3)3 ; (d) PhLi?

Short Answer

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Answer

(a)BrMgC 鈮�CCH2CH3 and (d)PhLi represent an organometallic compound.

Step by step solution

01

Step-by-Step Solution Step 1: Definition of an organometallic compound

The one or multiple carbon-metal bond(s)-containing compounds are designated as organimetallic compounds. Examples of these compounds are as follows:

  • Organolithium
  • Grignard reagent
  • Organomagnesium
02

Definition of metallic bases

Metallic bases are bases that form from the reaction between a base, such as NaOH or KOH, and an acid.Bases such as sodium and potassium alkoxides represent such metallic bases.

So, from the given definitions, it is observed that :

(a) BrMgC 鈮�CCH2CH3 and (d)PhLi represents an organometallic compound.

(b)NaOCH2CH3 and (c) KOC(CH3)3do not represent an organometallic compound.

Hence, (a) BrMgC 鈮�CCH2CH3 and (d)PhLi represents an organometallic compound.

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Most popular questions from this chapter

What epoxide is needed to convertCH3CH2MgBrto each of the following alcohols, after quenching with water?

a.

b.

c.

d.

Question: Rank the compounds in each group in order of increasing reactivity in nucleophilic acyl substitution.

a.C6H5CO2CH3,C6H5COCl,C6H5CONH2b.CH3CH2CO2H,(CH3CH2CO)2O,CH3CH2CONHCH3

Question: Devise a synthesis of each compound from benzene and organic alcohols containing four or fewer carbons. You may also use any required organic or inorganic reagents.

a.

b.

Draw the product formed when pentanal (CH3CH2CH2CH2CHO ) is treated with each reagent. With some reagents, no reaction occurs.

a. NaBH4 , CH3OH

b. {1} LiAlH4 ; {2} H2O

c. H2,Pd-C

d. PCC

e. Na2Cr2O7, H2SO4, H2O

f. Ag2O, NH4OH

g. {1}CH3MgBr ; {2} H2O

h. {1} C6H5Li ; {2} H2O

i. {1} (CH3)2CuLi ; {2} H2O

j.[1]HC鈮�CNa;[2]H2Ok.[1]CH2C鈮�CLi;[2]H2O

l. The product in (a) , then TBDMS-Cl , imidazole

What product is formed when each compound is treated with either LiAlH4 (followed by H2O ), or NaBH4 in CH3OH ?
See all solutions

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