Question

Which is not correctly matched
(1) Basic strength Cs₂O < Rb₂O < K₂O < Na₂O < Li₂O of
oxides
(2) Stability of Na₂O₂ < K₂O₂ < Rb₂O₂ < Cs₂O₂ peroxides
(3) Stability of LiHCO₃ < NaHCO₃ < KHCO₃ bicarbonates
< RbHCO₃ < CsHCO₃
(4) Melting point NaF < NaCl < NaBr < NaI
(a) 1 and 4 (b) 1 and 3
(c) 1 and 2 (d) 2 and 3

Answer 1

Answer:

Which is not correctly matched

(1) Basic strength Cs₂O < Rb₂O < K₂O < Na₂O < Li₂O of

oxides

(2) Stability of Na₂O₂ < K₂O₂ < Rb₂O₂ < Cs₂O₂ peroxides

(3) Stability of LiHCO₃ < NaHCO₃ < KHCO₃ bicarbonates

< RbHCO₃ < CsHCO₃

(4) Melting point NaF < NaCl < NaBr < NaI

(a) 1 and 4

(b) 1 and 3

(c) 1 and 2

(d) 2 and 3

Answer 2

$\huge{\underline{\mathbb{\red{Answer}}}}$

d) 2 and 3

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$\huge{\underline{\underline{\mathfrak{Thank you}}}}$