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কোন তিনটি যৌগ অকটেট মেনে চলে?

H_{2} O, A l C l_{3}, C C l_{4}

H_{2} O, A l C l_{3,} P C l_{3}

H_{2} O, C C l_{4,} P C l_{3}

H_{2} O, P C l_{3,} P F_{5}

ANS : 3

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