AIPMT 2009 | Chemical Bonding and Molecular Structure Question 81 | Chemistry

AIPMT 2009

MCQ (Single Correct Answer)

-1

According to MO theory which of the lists ranks the nitrogen species in terms of increasing bond order ?

$$N_2^{2 - } < N_2^ - < {N_2}$$

$${N_2} < N_2^{2 - } < N_2^ - $$

$$N_2^ - < N_2^{2 - } < {N_2}$$

$$N_2^ - < {N_2} < N_2^{2 - }$$

AIPMT 2009

MCQ (Single Correct Answer)

-1

In which of the following molecules/ions BF₃, NO$$_2^ - $$, NH$$_2^ - $$ and H₂O, the central atom is sp² hybridised?

NH$$_2^ - $$ and H₂O

NO$$_2^ - $$ and H₂O

BF₃ and NO$$_2^ - $$

NO$$_2^ - $$ and NH$$_2^ - $$

AIPMT 2009

MCQ (Single Correct Answer)

-1

What is the dominant intermolecular force or bond that must be overcome in converting liquid CH₃OH to a gas?

Dipole-dipole interaction

Covalent bonds

London dispersion force

Hydrogen bonding

AIPMT 2008

MCQ (Single Correct Answer)

-1

Four diatomic species are listed below. Identify the correct order in which the bond order is increasing in them

$$NO < {O_2}^ - < {C_2}^{2 - } < He_2^ + $$

$${O_2}^ - < NO < {C_2}^{2 - } < He_2^ + $$

$${C_2}^{2 - } < He_2^ + < {O_2}^ - < NO$$

$$He_2^ + < {O_2}^ - < NO < {C_2}^{2 - }$$

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