Question 3 :
Methane reacts with oxygen at 100 atm and 300° C in presence of Cu to give:

Question 6 :
When acetylene is passed through dil.{tex}\mathrm{ H_{2} SO _ { 4 }}{/tex} in the presence of {tex}\mathrm{HgSO_4}{/tex}, the compound formed is

Question 7 :
Among the following, the compound that be most readily sulphonated is

Question 9 :
In the reaction {tex}C{{H}_{3}}-Br+2Na+Br-C{{H}_{3}}\to {/tex}, the product called [Pb. CET 1999; CPMT 1983. 86; KCET 1992; MP PMT 1994; BHU 1998; MP PMT 2002; MP PET 1986]

Question 10 :
The hybridisation in methane, ethene and Ethyne respectively is [CPMT 2003]

Question 11 :
In its reaction with silver nitrate acetylene shows [MP PET 1999]

Question 14 :
Nitrobenzene can be prepared from benzene by using a mixture of concentrated <img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5ea7dd5f6f3020298ca1404f"> and concentrated <img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5ea7dd5fc2a2ae2953d94bc9"> . In the nitrating mixture, <img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5ea7dd5f6f3020298ca1404f"> acts as

Question 15 :
Which of the following will be most easily attacked by an electrophile?

Question 17 :
In the preparation of alkanes from hydrogenation of alkenes and alkynes. Finely divided catalysts are used which of the following statement(s) is/are correct regarding these catalysts<br>(i) Platinum and palladium catalyse the reaction at room temperature.<br> (ii) Nickel catalyse the reaction at relatively higher temperature and pressure.<br> (iii) Platinum and palladium catalyse the reaction at higher temperature.<br>

Question 18 :
The correct order of reactivity towards the electrophilic substitution of the compounds aniline (I), benzene (II) and nitrobenzene (III) is

Question 20 :
The compound formed as a result of potassium permanganate oxidation of ethylbenzene is [MP PET/PMT 1998]

Question 22 :
<img style='object-fit:contain' src="https://s3.ap-south-1.amazonaws.com/me-p/5ebd47caf89b996cd5e0c37c.jpg" /> is not converted to <img style='object-fit:contain' src="https://s3.ap-south-1.amazonaws.com/me-p/5ebd49f7f89b996cd5e0c37d.jpg" /> by

Question 23 :
Reaction of HBr with propene in the presence of peroxide gives

Question 29 :
Propene on reaction with methylene iodide in presence of Zn-Cu couple gives:

Question 31 :
A hydrocarbon has the formula <img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5ea7de0c6f3020298ca141c9"> . To find out whether it contains two double bonds or triple bonds, the following test is performed:

Question 32 :
A metallic carbide on treatment with water gives a colourless gas which burns readily in air and which gives a precipitate with ammoniacal silver nitrate solution. Gas evolved is

Question 33 :
A petroleum fraction having boiling range 70-200°C and containing 6-10 carbon atoms per molecule is called [UPSEAT 2004]

Question 36 :
The restricted rotation about carbon carbon double bond in 2 -butene is due to :

Question 38 :
Which is the most suitable reagent among the following to distinguish compound (3) from rest of the compounds?<br><img style='object-fit:contain' src="https://data-screenshots.sgp1.digitaloceanspaces.com/5d6778a6c1de014782b264ed.jpg" /><br>

Question 39 :
Which of the following can be used as the halide component for Friedel-Crafts reaction?

Question 40 :
In catalytic reduction of hydrocarbons which catalyst is mostly used [DCE 2001]

Question 41 :
Which of the following does not decolourise bromine solution in carbon disulphide [MP PET 1986]

Question 42 :
Alcoholic solution of KOH is used for [CPMT 1982, 86; IIT-JEE 1990]

Question 45 :
Hydroxylation of propyne in the presence of <img style='object-fit:contain' src="https://storage.googleapis.com/teachmint/question_assets/NEET/5ea7de1b6f3020298ca141f8"> is initiated by the attack of:

Question 47 :
The gas which is used for the artificial ripening of fruits is:

Question 49 :
Which is the best antiknock compound or Which one of the following substances is used as an antiknock compound [CPMT 1974, 81, 99, 2000;RPMT 2002; CBSE PMT 1996; KCET (Med.) 2000 MP PET 1985, 87, 97, 2001; MP PMT 1994, 96; AIIMS 2000]