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1. A
   $1.200\times10^3$ J
2. B
   $-2.43\times10^3$ J
3. C
   $-1.200\times10^3$ J
4. D
   $2.43\times10^3$ J

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1. A
   0.042 K
2. B
   0.020 K
3. C
   0.011 K
4. D
   0.033 K

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1. A
   CH₂=CH-CH₂-X
2. B
   CH₃-CH=CH-CH₂-X
3. C
   CH₃-CH₂-CH=CH-CH₂-X
4. D
   CH₃-CH=CH-CH₂-CH₂-X

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1. A
   $1.435\times10^{-22}$ cm³
2. B
   $1.761\times10^{-22}$ cm³
3. C
   $2.619\times10^{-22}$ cm³
4. D
   $3.880\times10^{-22}$ cm³

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1. A
   0.9
2. B
   1.8
3. C
   3.0
4. D
   5.0

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1. A
   Benzal chloride
2. B
   Benzaldehyde
3. C
   Benzyl alcohol
4. D
   Benzoic acid

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1. A
   These are bad conductors of heat and electricity.
2. B
   These are soft metals.
3. C
   Coordination number is usually greater than six.
4. D
   These are strongly paramagnetic.

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1. A
   Ratio of pressure to volume
2. B
   Product of pressure and volume
3. C
   Internal energy (U) + PV
4. D
   Internal energy (U) - PV

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1. A
   Ammonium fluoride
2. B
   Ammonium cyanide
3. C
   Ammonium acetate
4. D
   Ammonium chloride

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1. A
   Benzene-1,2-diol
2. B
   Benzene-1,3-diol
3. C
   Benzene-1,4-diol
4. D
   Benzene-1,3,5-triol

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1. A
   $1.0\times10^{21}$
2. B
   $2.0\times10^{21}$
3. C
   $3.0\times10^{21}$
4. D
   $4.0\times10^{21}$

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1. A
   Ethylchloride
2. B
   Ethyl magnesium chloride
3. C
   Ethyl amine
4. D
   Ethane

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1. A
   $Z = \frac{PV}{TR}$
2. B
   $Z = \frac{nRT}{PV}$
3. C
   $Z = \frac{PV}{nRT}$
4. D
   $Z = \frac{PV}{RT}\times n$

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1. A
   Malonic acid and propionic acid
2. B
   Valeric acid and succinic acid
3. C
   Acetic acid and adipic acid
4. D
   Butyric acid and caproic acid

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1. A
   1.5 hour
2. B
   3 hour
3. C
   6 hour
4. D
   12 hour

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1. A
   Gd
2. B
   Sm
3. C
   Nd
4. D
   Ho

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

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1. A
   $[Fe(CN)_6]^{4-}$
2. B
   $PO_4^{3-}$
3. C
   $SO_4^{2-}$
4. D
   $Cl^-$

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1. A
   Rubidium
2. B
   Strontium
3. C
   Caesium
4. D
   Barium

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1. A
   −1.2 V
2. B
   2.4 V
3. C
   −2.4 V
4. D
   1.2 V

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1. A
   Nanorods
2. B
   Nanoparticles
3. C
   Thin films
4. D
   Fibres

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1. A
   Propanal
2. B
   Propanone
3. C
   2-Methylpropanal
4. D
   2-Methylpropanoic acid

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1. A
   $1.7$ mol L⁻¹
2. B
   $3.0$ mol L⁻¹
3. C
   $3.4$ mol L⁻¹
4. D
   $5.1$ mol L⁻¹

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1. A
   Aqua
2. B
   Ammine
3. C
   Iodo
4. D
   Nitro

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1. A
   1 and diamagnetic
2. B
   2 and diamagnetic
3. C
   1 and paramagnetic
4. D
   2 and paramagnetic

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