AIPMT 2011 Prelims | Chemical Bonding and Molecular Structure Question 72 | Chemistry

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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

AIPMT 2011 Prelims

MCQ (Single Correct Answer)

-1

Which of the two ions from the list given below that have the geometry that is explained by the same hybridization of orbitals, NO$$_2^ - $$. NO$$_3^ - $$, NH$$_2^ - $$, NH$$_4^ + $$, SCN^$$-$$?

NO$$_2^ - $$ and NO$$_3^ - $$

NH$$_4^ + $$ and NO$$_3^ - $$

SCN^$$-$$ and NH$$_2^ - $$

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

AIPMT 2011 Prelims

MCQ (Single Correct Answer)

-1

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

O$$_2^ - $$, O$$_2^{2 - }$$ - Both diamagnetic

O⁺, O$$_2^{2 - }$$ - Both paramagnetic

O$$_2^{ + }$$, O₂ - Both paramagnetic

O, O$$_2^{2 - }$$ - Both paramagnetic

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