Trends in properties of group 16 hydrides

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

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1. A.
   $B > A > C > D$
2. B.
   $A > B > D > C$
3. C.
   $A > B > C > D$
4. D.
   $D > C > B > A$

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1. A.
   Both $A$ and $R$ are true but $R$ is NOT the correct explanation of A.
2. B.
   Both A and R are true and $R$ is the correct explanation of A.
3. C.
   A is false but $R$ is true.
4. D.
   A is true but $R$ is false.

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1. A.
   Oxidising and acidic
2. B.
   Reducing and basic
3. C.
   Reducing and acidic
4. D.
   Oxidising and basic

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