Recent questions tagged unit12

Marsh gas mainly contains

asked Mar 21, 2014 by sreemathi.v

1 answer

Acidic hydrogen is present in

asked Mar 21, 2014 by sreemathi.v

1 answer

The chief reaction product of reaction between n-butane and bromine at $130^{\large\circ}$ is

asked Mar 21, 2014 by sreemathi.v

1 answer

Propyne and propene can be distinguished by

asked Mar 21, 2014 by sreemathi.v

1 answer

$(CH_3)_3CMgCl$ on reaction with $D_2O$ produces

asked Mar 21, 2014 by sreemathi.v

1 answer

During debromination of meso-dibromobutane,the major compound formed is

asked Mar 21, 2014 by sreemathi.v

1 answer

The highest boiling point is expected for

asked Mar 21, 2014 by sreemathi.v

1 answer

Consider the following reaction:Identify the structure of the major product X

asked Mar 21, 2014 by sreemathi.v

1 answer

Benzyl chloride $(C_6H_5CH_2Cl)$ can be prepared from toluene by chlorination with

asked Mar 21, 2014 by sreemathi.v

1 answer

$\begin{array}{1 1}\text{Statement-1:Addition of bromine to trans-2-butene yields meso 2,3-dibromobutane.}\\\text{Statement-2:Bromine addition to an alkene is an electrophilic addition}\end{array}$

asked Mar 21, 2014 by sreemathi.v

1 answer

1-Butyne on oxidation with hot alkaline $KMnO_4$ would yield

asked Mar 21, 2014 by sreemathi.v

1 answer

$B\quad\underrightarrow{\text{Lindlar catalyst}/H_2}\quad R-C\equiv C-R\quad\underrightarrow{Na/NH_3}\quad A.$ A and B are geometrical isomers $(R-CH=CH-R)$

asked Mar 21, 2014 by sreemathi.v

1 answer

10ml of gaseous hydrocarbon requires 30ml of oxygen for complete combustion.The hydrocarbon is

asked Mar 21, 2014 by sreemathi.v

1 answer

From the following reactions,predict which of the following orders regarding acid strength is correct? \[\begin{array}{1 1}HC\equiv CH+LiNH_2\quad\leftrightharpoons\quad NH_3+HC\equiv CLi\\NH_3+R^-\quad\leftrightharpoons \quad NH_2^-+RH\end{array}\]

asked Mar 21, 2014 by sreemathi.v

1 answer

The alkene $C_6H_{10}$ producing $OHC(CH_2)_4CHO$ on ozonolysis is

asked Mar 21, 2014 by sreemathi.v

1 answer

$CH_3CH=CHCH_3+CH_2N_2\rightarrow A$. A is

asked Mar 21, 2014 by sreemathi.v

1 answer

When $CH_3CH_2CHCl_2$ is treated with $NaNH_2$,the product formed is

asked Mar 21, 2014 by sreemathi.v

1 answer

An alkene with molecular formula $C_8H_{16}$ on oxidation with hot $KMnO_4$ gives acetone and 3-pentanone.The structure of the alkene is

asked Mar 21, 2014 by sreemathi.v

1 answer

What is X in the following sequence of reactions?\[X\quad\underrightarrow{Na}\quad Y\quad\underrightarrow{NaOH/CaO}\quad CH_4\]

asked Mar 21, 2014 by sreemathi.v

1 answer

The product formed when vinylacetylene is passed through concentrated hydrochloric acid in presence of cuprous and ammonium chlorides is

asked Mar 21, 2014 by sreemathi.v

1 answer

Propene on hydroboration and oxidation produces

asked Mar 21, 2014 by sreemathi.v

1 answer

The hydrocarbon which can react with sodium in liquid ammonia is

asked Mar 21, 2014 by sreemathi.v

1 answer

Which of these will not react with acetylene?

asked Mar 21, 2014 by sreemathi.v

1 answer

Chlorination of an alkane involves the attack of

asked Mar 21, 2014 by sreemathi.v

1 answer

Reaction of HBr with propene in the presence of peroxide gives

asked Mar 21, 2014 by sreemathi.v

1 answer

When propyne is treated with aqueous $H_2SO_4$ in presence of $HgCO_4$,the major product is

asked Mar 21, 2014 by sreemathi.v

1 answer

When bromoethane is subjected to Wurtz reaction,the hydrocarbon mixture so obtained consists of

asked Mar 21, 2014 by sreemathi.v

1 answer

The product of acid catalysed hydration of 2-phenylpropene is

asked Mar 21, 2014 by sreemathi.v

1 answer

The reaction conditions leading to the best yields of $C_2H_5Cl$ are

asked Mar 21, 2014 by sreemathi.v

1 answer

Select the major product formed from the treatment of 2-bromobutane and alcoholic KOH

asked Mar 20, 2014 by sreemathi.v

1 answer

Amongest the following compounds which can be most easily sulphonated is

asked Mar 20, 2014 by sreemathi.v

1 answer

During the preparation of alkanes by Kolbe's electrolytic method using inert elecrodes,the pH of the electrolyte

asked Mar 20, 2014 by sreemathi.v

1 answer

Refer the below reaction A is

asked Mar 20, 2014 by sreemathi.v

1 answer

An alkane $C_7H_{16}$ is produced by the reaction of lithium di (3-pentyl) cuprate with ethyl bromide.The structural formula of the product is

asked Mar 20, 2014 by sreemathi.v

1 answer

Identify the correct order of reactivity in electrophilic substitution reaction of the following compounds:

asked Mar 20, 2014 by sreemathi.v

1 answer

Ozonolysis of 2,3-dimethyl-1-butene followed by reduction with zinc and water gives

asked Mar 20, 2014 by sreemathi.v

1 answer

Refer the below reaction A is

asked Mar 20, 2014 by sreemathi.v

1 answer

Toluene when treated with $Br_2/Fe$ gives p-bromotoluene as the major product because $CH_3$ group

asked Mar 20, 2014 by sreemathi.v

1 answer

Which one of the following has the smallest heat of hydrogenation per mole?

asked Mar 20, 2014 by sreemathi.v

1 answer

Product in the below reaction is

asked Mar 20, 2014 by sreemathi.v

1 answer

The major products P and Q are in the below reaction

asked Mar 20, 2014 by sreemathi.v

1 answer

Refer the below reaction A Can be

asked Mar 20, 2014 by sreemathi.v

1 answer

$CH_3CH_2CH_2CH_3\quad\underrightarrow {Cl_2/h\nu} \quad A+B$(Monochlorination products).The approximate ratio of percentage yields of $A$ and $B$ formed in the reaction is

asked Mar 20, 2014 by sreemathi.v

1 answer

$CH_3CH=CHCH_3+CHCl_3+t-Bu-OK\rightarrow A$.A is

asked Mar 20, 2014 by sreemathi.v

1 answer

In the below reaction:A can be

asked Mar 20, 2014 by sreemathi.v

1 answer

The addition of unsymmetrical reagents to unsymmetrical alkenes occurs in such a way that the negative part of the addendum goes to that carbon atom of the double bond which carries lesser number of hydrogen atoms is called by

asked Mar 20, 2014 by sreemathi.v

1 answer

Addition of HCl to 2-methyl-2-butene mainly gives

asked Mar 20, 2014 by sreemathi.v

1 answer

Which of the compound with molecular formula $C_5H_{10}$ yields acetone on ozonolysis?

asked Mar 20, 2014 by sreemathi.v

1 answer

Predict the product C obtained in the following reaction of 1-butyne.$CH_3CH_2-C\equiv CH+HCl\rightarrow B\quad\underrightarrow{HI}\quad C$

asked Mar 20, 2014 by sreemathi.v

1 answer

Base strength of $(i)\; H_3CC^{\ominus}H_2,(ii)\;H_2C=C^{\ominus}H$ and $(iii)\;H-C\equiv C^{\ominus}$ is in the order of

asked Mar 20, 2014 by sreemathi.v

1 answer

Ask Questions, Get Answers