NEET 2013 | Chemical Bonding and Molecular Structure Question 62 | Chemistry

NEET 2013

MCQ (Single Correct Answer)

-1

Which of the following is paramagnetic?

CN^$$-$$

NO⁺

O₂^$$-$$

NEET 2013

MCQ (Single Correct Answer)

-1

Identify the correct order of solubility in aqueous medium.

Na₂S > CuS > ZnS

Na₂S > ZnS > CuS

Cus > ZnS > Na₂S

ZnS > Na₂S > CuS

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 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

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