AIPMT 2012 Mains | Chemical Bonding and Molecular Structure Question 67 | Chemistry

AIPMT 2012 Mains

MCQ (Single Correct Answer)

-1

During change of O₂ to O$$_2^{ - }$$ ion, the electron adds on which one of the following orbitals ?

$${\pi ^ * }$$ orbital

$$\pi $$ orbital

$${\sigma ^ * }$$ orbital

$$\sigma $$ orbital

AIPMT 2012 Mains

MCQ (Single Correct Answer)

-1

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

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

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

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

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

AIPMT 2012 Prelims

MCQ (Single Correct Answer)

-1

Bond order of 1.5 is shown by

O₂⁺

O₂^$$-$$

O₂2^$$-$$

O₂

AIPMT 2012 Prelims

MCQ (Single Correct Answer)

-1

Which one of the following pairs is isostructural (i.e., having the same shape and hybridization) ?

[BCl₃ and BrCl₃]

[NH₃ and NO$$_3^ - $$]

[NF₃ and BF₃]

[BF$$_4^ - $$ and NH$$_4^ + $$]

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