Total no of $\sigma \& \pi$ bonds are present in ${\mathrm{H}}_2{\mathrm{SO}}_4$ respectively.
 

Important Questions on Chemical Bonding and Molecular Structure

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IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 13 - Chemical Bonding and Molecular Structure>Exercise 1>Q 89

Which is not same for the resonating structures?
 

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Alpha Question Bank for Medical: Chemistry>Chapter 13 - Chemical Bonding and Molecular Structure>Exercise 1>Q 90

The correct representation of Lewis dot structure of ${\mathrm{HNO}}_3$

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Alpha Question Bank for Medical: Chemistry>Chapter 13 - Chemical Bonding and Molecular Structure>Exercise 1>Q 91

${\mathrm{PCl}}_5$ exists but ${\mathrm{NCl}}_5$ does not, because:
 

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Alpha Question Bank for Medical: Chemistry>Chapter 13 - Chemical Bonding and Molecular Structure>Exercise 1>Q 92

Correct order of $\mathrm{C}-\mathrm{O}$ bond length is:

 

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IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 13 - Chemical Bonding and Molecular Structure>Exercise 1>Q 93

The correct order of $\mathrm{C}-\mathrm{N}$ bond length in the given compounds is :

$\mathrm{P}:{\mathrm{CH}}_3\mathrm{CN} \mathrm{Q}:\mathrm{HNCO} \mathrm{R}:{\mathrm{CH}}_3{\mathrm{CONH}}_2$

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Alpha Question Bank for Medical: Chemistry>Chapter 13 - Chemical Bonding and Molecular Structure>Exercise 1>Q 94

The odd electron molecules among the following is/are:
 

HARD

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IMPORTANT

Alpha Question Bank for Medical: Chemistry>Chapter 13 - Chemical Bonding and Molecular Structure>Exercise 1>Q 95

In how many of the following species, the central atoms have two lone pairs of electrons? ${\mathrm{XeF}}_4$
${\mathrm{XeF}}_5^{-}$
${\mathrm{F}}_2{\mathrm{SeO}}_2$
${\mathrm{XeF}}_3^{+}$
${\mathrm{XeOF}}_4$
${\mathrm{ClOF}}_3$
${{\mathrm{ICl}}_4}^{-}$
${\mathrm{SCl}}_2$
 

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Alpha Question Bank for Medical: Chemistry>Chapter 13 - Chemical Bonding and Molecular Structure>Exercise 1>Q 96

Match the species in column ($\mathrm{I}$) with their characteristics in column ($\mathrm{II}$):

	column$-\mathrm{I}$		column$-\mathrm{II}$
P	${{\mathrm{BH}}_4}^{-}$	$1$	$2$ bond pair and $3$ lone pair on the central atom
Q	${{\mathrm{ICl}}_2}^{+}$	$2$	$4$ bond pair and no lone pair on the central atom
R	${\mathrm{ICl}}_2^{-}$	$3$	$3$ bond pair and 1 lone pair on the central atom
S	${{\mathrm{ICl}}_4}^{-}$	$4$	$2$ bond pair and $2$ lone pair on the central atom
		$5$	$4$ bond pair and $2$ lone pair on central atom