List of practice Questions

Choose the correct sequence of the air passage in humans is

Chloroform on warming with Ag powder gives

Chloromethane on treatment with excess of ammonia yields mainly

Chlorophyll a appears_____ in colour and chlorophyll b appears_____ in colour in the chromatogram.

Chlorobenzene on treatment with acetyl chloride and anhyd. $ {AlCl_3}$ gives

Chlorofluorocarbon releases a chemical harmful to ozone

Chloroform and conc. $ {HNO_3}$ react to produce

Chloroform on treatment with conc. $ {HNO_3}$ gives

Chlorobenzene can be converted into phenol by heating in aqueous sodium hydroxide solution at a temperature of $623 \,K$ and a pressure of $300\,atm$. However the rate of reaction can be increased by presence of certain groups in benzene ring. What will be the order of reactivity of following compounds towards the above substitution reaction?

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Chlorobenzene is formed by reaction of chlorine with benzene in the presence of $AlCl_3$. Which of the following species attacks the benzene ring in this reaction?

Chlorobenzene on heating with NaOH at 623 K gives:

Which of the following is correct ?

Chlorine gas is passed into a solution of KF, KI and KBr and $CHCl_{3}$ is added. There is a colour in $CHCl_{3}$ layer. It is due to

Chlorine reacts with sodium hydroxide under various conditions to give

Chlorination of methane does not occur in dark because

Chiasmata are formed as a result of

Chief use of methylated spirit is

Chloramphenicol is an

Chlorination of alkanes is a photochemical process. It is initiated by the process of

Chemical method used in concentration of ore is known as-

Chemicals responsible for the Bhopal gas tragedy were

Chemisorption involves formation of bond between gaseous molecules or atoms and the solid surface for which high energy is required. Thus it is also referred as

Chemosynthetic bacteria obtain energy from

Checking the correctness of equations using the method of dimensions is based on

Chemical basis of heredity is