1. A
   $Ni(CN)_{4} > Ni\left( H_{2}O \right)_{4} > {NiCl}_{4}$
2. B
   $Ni\left( H_{2}O \right)_{4} > {NiCl}_{4} > Ni(CN)_{4}$
3. C
   $Ni(CN)_{4} > {NiCl}_{4} > Ni\left( H_{2}O \right)_{4}$
4. D
   ${NiCl}_{4} > Ni(CN)_{4} > Ni\left( H_{2}O \right)_{4}$

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1. A
   $l = 0$
2. B
   $l = 1$
3. C
   $l = 2$
4. D
   $l = 3$

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1. A
2. B
3. C
4. D
   Both (a) and (c)

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1. A
   4
2. B
   3
3. C
   5
4. D
   2

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1. A
   $Na$
2. B
   $K$
3. C
   $Ca$
4. D
   $Mg$

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1. A
   $Fe$
2. B
   $Cu$
3. C
   $Zn$
4. D
   $Ni$

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1. A
   ${sp}^{3}$
2. B
   ${sp}^{3}\text{ }d$
3. C
   ${sp}^{3}{\text{ }d}^{2}$
4. D
   ${sp}^{3}{\text{ }d}^{3}$

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1. A
   2
2. B
   1
3. C
   0
4. D
   3

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1. A
   $Be(OH)_{2}$ and $Al(OH)_{3}$
2. B
   $B(OH)_{3}$ and $Al(OH)_{3}$
3. C
   $B(OH)_{3}$ and $H_{3}{PO}_{3}$
4. D
   $NaOH$ and $Ca(OH)_{2}$

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1. A
   0.33
2. B
   0.77
3. C
   0.50
4. D
   0.66

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1. A
   polyamide
2. B
   polyester
3. C
   polyacrylonitrile
4. D
   Amino acid

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1. A
   ${CO}_{2}$ in cleaning clothes
2. B
   ${Cl}_{2}$ for bleaching
3. C
   Tetrafluoroethane in laundry
4. D
   All of these

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

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1. A
   If both assertion and reason are true and the reason is the correct explanation of the assertion.
2. B
   If both assertion and reason are true but reason is not the correct explanation of the assertion.
3. C
   If assertion is true but reason is false.
4. D
   If assertion is false but reason is true.

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1. A
   $A =$ Primary amine, $B =$ isonitrile
2. B
   $A =$ Secondary amine, $B =$ Primary amine
3. C
   $A =$ isonitrile, $B =$ Primary amine
4. D
   A = Carboxylic acid, B = Primary amine

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1. A
   ${BrO}^{-}$
2. B
   ${BrO}_{2}^{-}$
3. C
   ${BrO}_{3}^{-}$
4. D
   ${BrO}_{4}^{-}$

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1. A
   Acidic
2. B
   Basic
3. C
   Amphoteric
4. D
   Neutral

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1. A
   A = Cyclohexane-1,6-diol, B = Hexan-1,6-dioic acid
2. B
   $A =$ Cyclopentane-1,5-diol B $=$ Pentan-1,5-dioic acid
3. C
   $A =$ Benzene, $B =$ Benzoic acid
4. D
   $A =$ Phenol, $B =$ Hexane

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1. A
   $q \Rightarrow p$
2. B
   $p \Rightarrow q$
3. C
   $\sim q \Rightarrow p80$
4. D
   $p \Rightarrow \sim q$

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1. A
   $10 - \log_{e}(1 + e)$
2. B
   $10 + \log_{e}2$
3. C
   $10 + \log_{e}3$
4. D
   $10 + \log_{e}(1 + e)$

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1. A
   10,11
2. B
   3,18
3. C
   8,13
4. D
   1,20

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1. A
   $\frac{1}{2}\log_{e}2 + \frac{\pi}{4} - \frac{3}{2}$
2. B
   $2\log_{e}2 + \frac{\pi}{4} - 1$
3. C
   $\log_{e}2 + \frac{\pi}{2} - 1$
4. D
   $2\log_{e}2 + \frac{\pi}{2} - \frac{1}{2}$

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1. A
   $56 \times 3^{25}$
2. B
   $56 \times 3^{24}$
3. C
   $52 \times 3^{24}$
4. D
   $28 \times 3^{25}$

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1. A
   36
2. B
   24
3. C
   45
4. D
   18

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1. A
   $\frac{\pi}{4}$
2. B
   $- \frac{3\pi}{4}$
3. C
   $- \frac{\pi}{4}$
4. D
   $\frac{3\pi}{4}$

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