AIPMT 2011 Mains | Chemical Bonding and Molecular Structure Question 70 | Chemistry

AIPMT 2011 Mains

MCQ (Single Correct Answer)

-1

Which of the following structures is the most preferred and hence of lowest energy for SO₃?

AIPMT 2011 Mains

MCQ (Single Correct Answer)

-1

The pairs of species of oxygen and their magnetic behaviours are noted below. Which of the following presents the correct description?

$$O_2^ - ,O_2^{2 - }$$ - Both diamagnetic

$$O_2^ + ,{O_2}$$ - Both paramagnetic

O, $$O_{2}^{2-}$$ - Both paramagnetic

$${O^ + },O_2^{2 - }$$ - Both paramagnetic

AIPMT 2011 Prelims

MCQ (Single Correct Answer)

-1

Which of the following has the minimum bond length ?

O₂⁺

O₂^$$-$$

O₂^2$$-$$

O₂

AIPMT 2011 Prelims

MCQ (Single Correct Answer)

-1

The correct order of increasing bond length of C $$-$$ H, C $$-$$ O, C $$-$$ C and C$$=$$C is

C $$-$$ H < C$$=$$C < C $$-$$ O < C $$-$$ C

C $$-$$ C < C$$=$$C < C $$-$$ O < C $$-$$ H

C $$-$$ O < C $$-$$ H < C $$-$$ C < C$$=$$C

C $$-$$ H < C $$-$$ O < C $$-$$ C < C$$=$$C

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