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  • The molecular formula of the compound formed from B and C will be (i) BC (ii) B_2C (iii) BC_2 (iv) BC_3

The electronic configurations of three elements A, B and C are given below.
Answer the questions from 14 to 17 on the basis of these configurations.

A 1s^{2} 2s^{2} 2p^{6}
B 1s^{2}2s^{2}2p^{6}3s^{2}3p^{3}
C 1 s^{2}2s^{2}2p^{6}3s^{2}3p^{5}

The molecular formula of the compound formed from B and C will be
(i) BC
(ii) B2C
(iii) BC2
(iv) BC3

Answers (1)

The answer is the option (iv) BC3

Explanation: Here, B represents phosphorus(P) and C represents Chlorine(Cl). Therefore, the compound formed will be PCl3, i.e., BC3.

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