Day 392: MHT-CET Chemistry

1. A.
   Ce
2. B.
   La
3. C.
   Gd
4. D.
   Eu

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1. A.
   $CuCN/KCN$
2. B.
   Cu (Powder)/ HBr
3. C.
   $H_{3}{PO}_{3}$
4. D.
   $\ {CH}_{3}{CH}_{2}OH$

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1. A.
   Pm
2. B.
   Er
3. C.
   Yb
4. D.
   Hf

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1. A.
   3
2. B.
   1
3. C.
   6
4. D.
   4

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1. A.
   These exhibit properties between those of $s$ and $p$ block elements.
2. B.
   All these elements are grouped as 3d to 6d series.
3. C.
   5d series is comprised of all elements from La $(Z = 57)$ to Hg $(Z = 80)$.
4. D.
   Elements of 6d series belong to the $7^{\text{th}}$ period of the periodic table.

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