Day 312: JEE Mains Chemistry

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.
   Red $P + {Cl}_{2}$
2. B.
   ${NH}_{2} - {NH}_{2}/C_{2}H_{5}ONa$
3. C.
   $Ni/H_{2}$
4. D.
   ${NaBH}_{4}$

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1. A.
   $\left\lbrack Cr\left( H_{2}O \right)_{6} \right\rbrack^{3 +}$
2. B.
   $\left\lbrack Mo\left( H_{2}O \right)_{6} \right\rbrack^{3 +}$
3. C.
   $\left\lbrack Fe\left( H_{2}O \right)_{6} \right\rbrack^{3 +}$
4. D.
   $\left\lbrack Os\left( H_{2}O \right)_{6} \right\rbrack^{3 +}$

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1. A.
   Statement I is true but Statement II is false.
2. B.
   Statement I is false but Statement II is true.
3. C.
   Both Statement I and Statement II are true.
4. D.
   Both Statement I and Statement II are false.

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