Chemistry Question Bank

Some meta-directing substituents in aromatic substitution are given. Which one is most deactivating? (NEET 2013)

In the following reaction: (NEET 2013) H SO Hg HC CH ' ' P -> Product ‘P’ will not give

Among the following compounds the one that is most reactive towards electrophilic nitration is (AIPMT 2012)

Which of the following reagents will be able to distinguish between 1-butyne and 2-butyne? (AIPMT 2012)

In the following reaction The major product is (AIPMT 2012) (a) (b)

Considering the state of hybridization of carbon atoms, find out the molecule among the following which is linear? (AIPMT 2011)

In the following the most stable conformation of n- butane is (AIPMT 2010) (a) (b) (c) (d)

In the following reaction, the product ‘R’ is CH Cl H O Hotiron tube AlCl CaC P Q R -> -> -> (AFMC 2010)

Which one is the most reactive towards electrophilic reagent? (AFMC 2010) (a) (b) (c) (d)

Among the given compounds, one which can be distinguished by AgNO3 is (AFMC 2010)

Which compound cannot be formed from the Wurtz reaction? (CPMT 2010)

Liquid hydrocarbons can be converted to a mixture of gaseous hydrocarbons by (AIPMT 2010)

The following reaction is called Fridel-Craft’s reaction. In this reaction ‘X’ is (AFMC 2009) (a) (b) (c)

Benzene reacts with CH3Cl in the presence of anhydrous AlCl3 to form (AIPMT 2009)

CH CH – CH – CH CH represents a/an (AFMC 2009)

Three products are obtained by the ozonolysis of penta- 1,3-diene. Out of these if two products are formaldehyde and acetaldehyde, the name of the third one is (AFMC 2009)

Base strength of iii ii i H CCH , H C CHand H C C is in the order of (AIPMT 2008)

A (Predominantly) is (CBSE AIPMT 2008) (a) (b) (c) (d)

When 2-chloro-2-methylbutane is heated with alcoholic KOH, the possible product/s is/are (Kerala CEE 2008) (i) 3 2 (CH ) C CHCH (ii) CH C (CH ) CH CH (iii) 3 2 (CH ) CHCH CH

The compounds formed at anode in the electrolysis of an aqueous solution of potassium acetate, are (CPMT 2008) (a) C H and CO (b) C H and CO (c) CH and H (d) CH and CO

Which of the compound with molecular formula C5H10 yields acetone on ozonolysis? (AIPMT 2007)

Predict the product C obtained in the following reaction of butyne-1. (CBSE AIPMT 2007) HI CH CH – C CH HCl B C -> ->

Marsh gas mainly contains

When of the following hydrocarbon is mainly present in gobargas?

The compound B is (a) (b) (c) (d)