Practice every past-year question.

1. A
   $\text{BF}_3$
2. B
   $\text{CH}_4$
3. C
   $\text{CHCl}_3$
4. D
   $\text{CCl}_4$

Tap an option to check your answer.

1. A
   1,2-dichlorobenzene
2. B
   1,3,5-trichlorobenzene
3. C
   1,4-dichlorobenzene
4. D
   1,3-dichlorobenzene

Tap an option to check your answer.

1. A
   $\text{ClF}_3$
2. B
   $\text{ClF}$
3. C
   $\text{IF}_7$
4. D
   $\text{IF}_3$

Tap an option to check your answer.

1. A
   isotopes
2. B
   isobars
3. C
   isoelectronic species
4. D
   isotones

Tap an option to check your answer.

1. A
   Lyman series
2. B
   Balmer series
3. C
   Paschen series
4. D
   Brackett series

Tap an option to check your answer.

1. A
   O > S > Se > Te > Po
2. B
   O > Se > Te > S > Po
3. C
   Po > Te > Se > S > O
4. D
   S > O > Se > Te > Po

Tap an option to check your answer.

1. A
   $\text{C}_6\text{H}_5\text{OH}$
2. B
   $\text{C}_6\text{H}_5\text{COOH}$
3. C
   $\text{C}_6\text{H}_5\text{CH}_2\text{COOH}$
4. D
   $\text{C}_6\text{H}_5\text{CH}_2\text{CH}_2\text{COOH}$

Tap an option to check your answer.

1. A
   -COOH
2. B
   -OR
3. C
   -Cl
4. D
   -OH

Tap an option to check your answer.

1. A
   Decreasing order of pKb values: $(C_2H_5)_2NH > C_2H_5NH_2 > C_6H_5NH_2 > C_6H_5NHCH_3$
2. B
   Decreasing order of basic strength: $(C_2H_5)_2NH > CH_3NH_2 > C_6H_5NHCH_3$
3. C
   Increasing order of basic strength: p-nitroaniline < aniline < p-toluidine
4. D
   Increasing order of solubility in water: $C_6H_5NH_2 < (C_2H_5)_2NH < C_2H_5NH_2$

Tap an option to check your answer.

1. A
   Nitrobenzene
2. B
   Aniline
3. C
   Chlorobenzene
4. D
   Phenol

Tap an option to check your answer.

1. A
   Structure (a)
   
2. B
   Structure (b)
   
3. C
   Structure (c)
   
4. D
   Structure (d)
   

Tap an option to check your answer.

1. A
   Phenol
2. B
   p-cresol
3. C
   p-nitrophenol
4. D
   o-nitrophenol

Tap an option to check your answer.

1. A
   Hex-2-ene
2. B
   Hex-1-ene
3. C
   Cyclohexene
4. D
   Hex-3-ene

Tap an option to check your answer.

1. A
   HCl
2. B
   H$_2$O
3. C
   CH$_3$COOH
4. D
   NaOH

Tap an option to check your answer.

1. A
   Wolf-Kishner reduction
2. B
   Clemmensen reduction
3. C
   Stephen reduction
4. D
   Etard reaction

Tap an option to check your answer.

1. A
   Recycled carpet
2. B
   A product made on Earth's day
3. C
   A sublimation reaction
4. D
   Bio-plastics or bio-diesel

Tap an option to check your answer.

1. A
   sec-butyl bromide
2. B
   n-propyl bromide
3. C
   n-butyl bromide
4. D
   tert-butyl bromide

Tap an option to check your answer.

1. A
   Ethanol
2. B
   Ethane
3. C
   Ethyne
4. D
   Ethanal

Tap an option to check your answer.

1. A
   PVC
2. B
   LDPE
3. C
   HDPE
4. D
   PETE

Tap an option to check your answer.

1. A
   Polythene
2. B
   Bakelite
3. C
   Polystyrene
4. D
   Poly vinyls

Tap an option to check your answer.

1. A
   CO$_2$
2. B
   SO$_2$
3. C
   Both (a) and (b)
4. D
   None of these

Tap an option to check your answer.

1. A
   $2.4\times10^{-7}\ \text{mol dm}^{-3}$
2. B
   $7.0\times10^{-7}\ \text{mol dm}^{-3}$
3. C
   $4.9\times10^{-7}\ \text{mol dm}^{-3}$
4. D
   $3.2\times10^{-7}\ \text{mol dm}^{-3}$

Tap an option to check your answer.

1. A
   glucose oxime and saccharic acid
2. B
   gluconic acid and saccharic acid
3. C
   saccharic acid and sorbitol
4. D
   gluconic acid and sorbitol

Tap an option to check your answer.

1. A
   BeF$_2$
2. B
   MgF$_2$
3. C
   CaF$_2$
4. D
   SrF$_2$

Tap an option to check your answer.

1. A
   Cr is reduced
2. B
   Cr is oxidised
3. C
   Oxidation number of Cr has neither decreased nor increased
4. D
   Hydrogen is reduced

Tap an option to check your answer.