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Question

Which of the following compounds has no existence as separate and distinct molecule?

(a) H₂S

(b) CHCl₃

(c) NO₂

(d) NaCl

WBBSE Class X Physical Science Ionic and Covalent Bond 01 Mark 2025

Answer

(d) NaCl

Explanation:

Ionic compounds like NaCl form a stable ionic network with no separate molecules; formula weight is used, not molecular weight

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