Chemistry Question Bank

Among these, I is the chain isomer of

Among these III is the chain isomer of

Among these functional isomers are

I. CH CH CH CH CH II. CH CH CH CH | CH III. CH | CH C CH | CH Among these, chain isomers are

Among these, positional isomers are

These two conformers exist in a state of dynamic equilibrium. Which one is more stable?

The IUPAC name of is (AIPMT 2006)

The number of isomeric alkenes with molecular formula C6H12 are (PMET 2006)

Which of the following compounds will not exhibit cis-trans isomerism ? (PMET 2006) (a) (b) (c) (d)

For (i) I–, (ii) Cl–, (iii) Br–, the increasing order of nucleophilicity would be (AIPMT 2007)

Which is the strongest acid ? (CPMT 2009)

The number of metamers of the compound with molecular formula C4H10O is (AFMC 2009)

Which of the following is an aromatic compound ? (AFMC 2009) (a) (b) (c) (d)

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

IUPAC nomenclature of is (AFMC 2010)

The correct order of acidity of the following compounds is (CPMT 2010)

Which of the following is the most stable carbocation? (CPMT 2010) (a) C H CH (b) CH C

Which of the following species is paramagnetic in nature? (CMC 2010)

The total number of isomers of C4H7OH is (CPMT 2010)

At room temperature, the eclipsed and staggered forms of ethane cannot be isolated because (AFMC 2010)

Which of the following species is not electrophilic in nature? (AIPMT 2010)

The IUPAC name of the following compound is CH2 = C = CH — CH3 (CPMT 2011)

The correct IUPAC name for the compound is (AIPMT 2011)

Which nomenclature is not according to IUPAC system? (AIPMT 2012) (a) (b) (c) (d)

Dihedral angle of least stable conformer of ethane is (NEET 2021)