Acidic strength, thermal stability and reducing nature of group 16 hydrides (H2O to H2Te)

1. A.
   $H_2O$
2. B.
   $H_2S$
3. C.
   $H_2Se$
4. D.
   $H_2Te$

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1. A.
   $\text{H}_2\text{O}$
2. B.
   $\text{H}_2\text{Te}$
3. C.
   $\text{H}_2\text{Se}$
4. D.
   $\text{H}_2\text{S}$

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1. A.
   $H_{2}\text{ }S < H_{2}O < H_{2}Se < H_{2}Te$
2. B.
   $H_{2}O < H_{2}\text{ }S < H_{2}Se < H_{2}Te$
3. C.
   $H_{2}Te < H_{2}Se < H_{2}\text{ }S < H_{2}O$
4. D.
   $H_{2}Se < H_{2}Te < H_{2}O < H_{2}\text{ }S$

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1. A.
   $\mathrm{H_2O}$
2. B.
   $\mathrm{H_2S}$
3. C.
   $\mathrm{H_2Se}$
4. D.
   $\mathrm{H_2Te}$

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1. A.
   $\mathrm{H_2O}$
2. B.
   $\mathrm{H_2S}$
3. C.
   $\mathrm{H_2Se}$
4. D.
   $\mathrm{H_2Te}$

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1. A.
   $\mathrm{H_2S < H_2Se < H_2Te}$
2. B.
   $\mathrm{H_2Se < H_2S < H_2Te}$
3. C.
   $\mathrm{H_2Te < H_2S < H_2Se}$
4. D.
   $\mathrm{H_2Se < H_2Te < H_2S}$

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