List-I List-II (P) Ionic compound 1 . N 2 (Q) Covalent compound 2 . HF (R) Polar covalent compound 3 . O 3 (S) Coordinate compound 4 . MgCl 2

P - 4 , Q - 3 , R - 4 , S - 1 , 2

E M B I B E

Foundation Course Chemistry>Chapter 8 - Chemical Bonding>EXERCISE>Q 44

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IMPORTANT

Earn 100

When a $Cl$ atom gains an electron, it gets a charge of

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Important Questions on Chemical Bonding

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Foundation Course Chemistry>Chapter 8 - Chemical Bonding>EXERCISE>Q 45

An ionic bond is formed between two atoms if the sum of their lattice enthalpy and electron gain enthalpy is greater than

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Foundation Course Chemistry>Chapter 8 - Chemical Bonding>EXERCISE>Q 46

When electrons are contributed by one atom but shared by both the atoms so as to complete their octets, the bond formed is called

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Foundation Course Chemistry>Chapter 8 - Chemical Bonding>EXERCISE>Q 47

Identify the correct Lewis symbol from the following.

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Foundation Course Chemistry>Chapter 8 - Chemical Bonding>EXERCISE>Q 48

The total number of electrons that take part in forming bonds in

O_{2}

is

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Foundation Course Chemistry>Chapter 8 - Chemical Bonding>EXERCISE>Q 49

Carbon suboxide (

C_{3} O_{2}

) has recently been shown as a component of the atmosphere of Venus. Which of the following formulation represents the correct ground state Lewis structure of carbon suboxide?

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Foundation Course Chemistry>Chapter 8 - Chemical Bonding>EXERCISE>Q 50

Which of the following statements is incorrect?

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Foundation Course Chemistry>Chapter 8 - Chemical Bonding>EXERCISE>Q 1

List-I	List-II
(P) Ionic compound	$1$ . $N_{2}$
(Q) Covalent compound	$2$ . $HF$
(R) Polar covalent compound	$3$ . $O_{3}$
(S) Coordinate compound	$4$ . ${MgCl}_{2}$

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Foundation Course Chemistry>Chapter 8 - Chemical Bonding>EXERCISE>Q 2

List-I	List-II
(P) High melting and boiling points	$1$ . Covalent compounds
(Q) Soluble in organic solvents	$2$ . Ionic compounds
(R) ${Na}^{+}$	$3$ . $2, 8, 8$
(S) ${Cl}^{-}$	$4$ . $2, 8$