Select the pairs of elements which form compounds by covalent bonding
(i) Ca and S (ii) P and Cl (iii) S and O (iv) F and O

(i), (ii) and (iii)

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(ii) and (iii)

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(i), (iii) and (iv)

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(iii) and (iv)

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Solution

The correct options are
B (ii) and (iii)
D (iii) and (iv)
A Covalent bond is generally favoured if the participating atoms have high electron affinity. Thus, going through the options, the probable groups are :-
ii) $P$ and $C l$
iii) $S$ and $O$
Ans $\to$ B)

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Select the pairs of elements which form compounds by covalent bonding(i) Ca and S (ii) P and Cl (iii) S and O (iv) F and O

The correct options are B (ii) and (iii) D (iii) and (iv)A Covalent bond is generally favoured if the participating atoms have high electron affinity. Thus, going through the options, the probable groups are :-ii) P and Cliii) S and OAns → B)

Select the pairs of elements which form compounds by covalent bonding
(i) Ca and S (ii) P and Cl (iii) S and O (iv) F and O

The correct options are
B (ii) and (iii)
D (iii) and (iv)
A Covalent bond is generally favoured if the participating atoms have high electron affinity. Thus, going through the options, the probable groups are :-
ii) $P$ and $C l$
iii) $S$ and $O$
Ans $\to$ B)