Recent questions and answers in Haloalkanes and Haloarenes

Among the halogens the one which is oxidised by nitric acid is :

answered Mar 7, 2018 by payalsamanta98

2 answers

Explain the Eliminations reaction.

answered Jul 19, 2017 by pady_1

1 answer

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asked Jul 10, 2017 by pady_1

1 answer

what is Freons

asked Jul 10, 2017 by pady_1

1 answer

Give the Physical Properties of Haloalkanes

answered Jul 10, 2017 by pady_1

1 answer

Drugs containing carboxylic Acid organic acids characterized by the presence of at least one carboxylic group. The general formula of a carboxylic acid is $R-COOH$ . The carboxylic acids find a use in the manufacture of many useful drugs.one Such important drug is aspirin Answer the following (i) What is the IUPAC name of the drugs ? Name the functional groups present in the drug . (ii) Can the drug be prepared in the lab ? (iii) A person goes to the shop keeper to get aspirin pills without doctors presoription . The chemist is reluctant to give him pills with out doctor's prescription . (iv) Which values are reflected in chemists approach ?

answered Nov 29, 2016 by meena.p

1 answer

How would you account for the following (i) Aldehydes are more reactive than ketones towards nucleophiles (ii) The boiling points of aldehydes and ketones are lower than of the corresponding acids (iii) The aldehydes and ketones undergo a number of addition reactions.

answered Nov 25, 2016 by meena.p

1 answer

How would you account for the following $NF_3$ is an exothermic compounds but $NCl_3$ is not.

answered Nov 22, 2016 by meena.p

1 answer

Give reasons— (a) Interhalogen compounds are more reactive than halogens (b) $PCl_5$ is known but $NCl_5$ is not known. (c) Amongst all noble gases, only xenon is known to form compounds with oxygen and fluorine.

answered Nov 16, 2016 by meena.p

1 answer

(i) Why Grignard reagents should be prepared under anhydrous conditions. (ii) Why $C_6H_5CHClCH_3$ is hydrolysed more easily with $KOH$ than $C_6H_5CH_2Cl$

answered Nov 15, 2016 by meena.p

1 answer

Answer the following : (i) Haloalkanes easily dissolve in organic solvent why ? (ii) What is known as a racemic mixture ? Give an example

answered Nov 14, 2016 by meena.p

1 answer

Why are pentahalides more covalent than trihalides ?

answered Nov 7, 2016 by meena.p

1 answer

Differentiate between chiral and achiral molecules :

answered Nov 3, 2016 by meena.p

1 answer

What happens when bromine reacts with $CH_3 - C = CH$ ? How would you justify this reaction ?

answered Oct 31, 2016 by meena.p

1 answer

How would you obtain (i) Picric acid (2,4,6- trinitrophenol) from phenol (ii) 2- Methyl propene from 2- Methyl propanol ?

answered Oct 26, 2016 by meena.p

1 answer

write the disproportionate reaction of that oxoacids of nitrogen in which nitrogen is in +3 oxidation state .

answered Oct 24, 2016 by meena.p

1 answer

The carbon - oxygen bond in phenol is slightly stronger than that in methanol . Why ?

answered Oct 17, 2016 by meena.p

1 answer

Which is not correct

answered Nov 26, 2015 by meena.p

1 answer

When phenol is treated with excess bromine water . It gives

answered Nov 24, 2015 by meena.p

1 answer

How many isomers of $C_5H_{11}OH$ will be primary alcohols ?

answered Nov 24, 2015 by meena.p

1 answer

The alkyl halide is conuerted into an alcohol by

answered Nov 24, 2015 by meena.p

1 answer

Industrial preparation of chloroform employs acetone and

answered Nov 24, 2015 by meena.p

1 answer

Which one is formed when sodium phenoxide is heated with ethyl iodide ?

answered Nov 24, 2015 by meena.p

1 answer

Phorgene is a common name for

answered Nov 24, 2015 by meena.p

1 answer

Ethylidene chloride is a /an __________

answered Nov 24, 2015 by meena.p

1 answer

Which of the following is an example of ricdihalide ?

answered Nov 24, 2015 by meena.p

1 answer

Which of the following alkyl halides will under go $SN_1$ reaction most readily ?

answered Nov 24, 2015 by meena.p

1 answer

A primaryalkyl halide would prefer to under go _________

answered Nov 24, 2015 by meena.p

1 answer