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Molecular Mass

The correct i...

Question

The correct increasing order of molecular masses is:

H_{2} O > H_{2} S > C O_{2} > S O_{2}

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H_{2} O > H_{2} S < C O_{2} > S O_{2}

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H_{2} O < H_{2} S < C O_{2} < S O_{2}

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H_{2} O > H_{2} S > C O_{2} < S O_{2}

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Solution

The correct option is D $H_{2} O < H_{2} S < C O_{2} < S O_{2}$
(i) $H_{2} O \Rightarrow 2 + 16 = 18 u$

(ii) $H_{2} S$ $\Rightarrow 2 \times 1 + 1 \times 32 = 2 + 32 = 34 u$

(iii) $C O_{2}$ $\Rightarrow 1 \times 12 + 2 \times 16 = 12 + 32 = 44 u$

(iv) $S O_{2}$ $\Rightarrow 1 \times 32 + 2 \times 16 = 32 + 32 = 64 u$

Hence, $H_{2} O < H_{2} S < C O_{2} < S O_{2}$ is the correct order of increasing molecular mass.

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Similar questions

C u + H_{2} {S O}_{4} - \to C u S O_{4} + {S O}_{2} ↑ + H_{2} O

F e + + H_{2} O - \to {F e}_{3} O_{4} + H_{2} ↑

{C H}_{4} + O_{2} \to C O_{2} + H_{2} O

C u + H_{2} S O_{4} \to C u S O_{4} + {S O}_{2} ↑ + H_{2} O

F e + H_{2} O \to {F e}_{3} O_{4} + H_{2} ↑

{C H}_{4} + O_{2} \to C O_{2} + H_{2} O

M n O_{2} + H C l \to M n C l_{2} + C l_{2} + H_{2} O

N H_{4} C l + C a (O H)_{2} \to N H_{3} + C a C l_{2} + H_{2} O

B a C l_{2} + A l_{2} (S O_{4})_{3} \to B a S O_{4} + A l C l_{3}

N a A l O_{2} + H_{2} O + C O_{2} \to A l H_{3} + N a_{2} C O_{3}

N H_{3} + O_{2} \to N O + H_{2} O

Z n + H N O_{3} \to Z n (N O_{3})_{2} + N O_{2} + H_{2} O

H_{2} S + O_{2} \to H_{2} O + S O_{2}

P b O + C \to P b + C O_{2}

B a C l_{2} + H_{2} S O_{4} \to B a S O_{4} + H C l

C H_{4} + O_{2} \to C O_{2} + H_{2} O

H_{2} S O_{4}

H_{2} S + \frac{3}{2} O_{2} \to H_{2} O + S O_{2},

Δ H = - 136.7 K c a l

H_{2} + \frac{1}{2} O_{2} \to H_{2} O, Δ H = - 68.4 K c a l

S + O_{2} \to S O_{2}, Δ H = - 71 K c a l

Δ H_{f} o f H_{2} S

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